{"id":3887,"date":"2024-01-19T17:15:32","date_gmt":"2024-01-19T09:15:32","guid":{"rendered":"http:\/\/www.ponybai.com\/?p=3887"},"modified":"2023-12-02T20:26:01","modified_gmt":"2023-12-02T12:26:01","slug":"lightning-locker%e7%9a%84%e5%ae%89%e5%85%a8%e6%80%a7","status":"publish","type":"post","link":"http:\/\/www.ponybai.com\/?p=3887","title":{"rendered":"\u5f00\u53d1\u5b89\u5168\u4ee3\u7801"},"content":{"rendered":"\n<p>Lightning Locker \u67b6\u6784\u5c42\u901a\u8fc7\u5c06\u5355\u4e2a Lightning \u7ec4\u4ef6\u547d\u540d\u7a7a\u95f4\u9694\u79bb\u5728\u81ea\u5df1\u7684\u5bb9\u5668\u4e2d\u5e76\u5f3a\u5236\u6267\u884c\u7f16\u7801\u6700\u4f73\u5b9e\u8df5\u6765\u589e\u5f3a\u5b89\u5168\u6027\u3002Lightning Web Security \uff08LWS\uff09 \u65e8\u5728\u4f7f\u60a8\u7684\u7ec4\u4ef6\u66f4\u5bb9\u6613\u4f7f\u7528\u5b89\u5168\u7f16\u7801\u5b9e\u8df5\uff0c\u65e8\u5728\u53d6\u4ee3 Lightning Locker\u3002Lightning Locker \u4e00\u76f4\u662f Lightning \u7ec4\u4ef6\u7684\u9ed8\u8ba4\u5b89\u5168\u67b6\u6784\u3002LWS \u6700\u521d\u5728 22 \u5e74\u6625\u5b63\u5f00\u59cb\u4e3a Lightning Web \u7ec4\u4ef6\u66ff\u6362 Lightning Locker\u3002<\/p>\n\n\n\n<p>Lightning \u7ec4\u4ef6\u6846\u67b6\u4f7f\u7528 JavaScript \u4e25\u683c\u6a21\u5f0f\u5728\u6d4f\u89c8\u5668\u4e2d\u6253\u5f00\u672c\u673a\u5b89\u5168\u529f\u80fd\u3002\u5b83\u4f7f\u7528\u5185\u5bb9\u5b89\u5168\u7b56\u7565 \uff08CSP\uff09 \u89c4\u5219\u6765\u63a7\u5236\u53ef\u5728\u9875\u9762\u4e0a\u52a0\u8f7d\u7684\u5185\u5bb9\u6e90\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"security-with-lightning-locker\">Lightning Locker \u7684\u5b89\u5168\u6027<\/h2>\n\n\n\n<p>Lightning Locker \u63d0\u4f9b\u7ec4\u4ef6\u9694\u79bb\u548c\u5b89\u5168\u6027\uff0c\u5141\u8bb8\u6765\u81ea\u591a\u4e2a\u6765\u6e90\u7684\u4ee3\u7801\u4f7f\u7528\u5b89\u5168\u3001\u6807\u51c6\u7684 API \u548c\u4e8b\u4ef6\u673a\u5236\u6267\u884c\u548c\u4ea4\u4e92\u3002Lightning Locker \u4e00\u76f4\u662f Lightning \u7ec4\u4ef6\u7684\u9ed8\u8ba4\u5b89\u5168\u67b6\u6784\u3002Lightning Web Security \uff08LWS\uff09 \u65e8\u5728\u4f7f\u60a8\u7684\u7ec4\u4ef6\u66f4\u5bb9\u6613\u4f7f\u7528\u5b89\u5168\u7f16\u7801\u5b9e\u8df5\uff0c\u65e8\u5728\u53d6\u4ee3 Lightning Locker\u3002LWS \u6700\u521d\u5728 22 \u5e74\u6625\u5b63\u5f00\u59cb\u4e3a Lightning Web \u7ec4\u4ef6\u66ff\u6362 Lightning Locker\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"javascript-strict-mode-enforcement\">JavaScript \u4e25\u683c\u6a21\u5f0f\u5f3a\u5236\u6267\u884c<\/h2>\n\n\n\n<p>\u5728 JavaScript \u4e2d\uff0c\u4e25\u683c\u6a21\u5f0f\u5728\u6a21\u5757\u4e2d\u5f3a\u5236\u6267\u884c\uff0c\u4f46\u5728\u5e38\u89c4\u7a0b\u5e8f\u4e2d\u662f\u53ef\u9009\u7684\u3002\u4f46\u662f\uff0cLightning Locker \u548c Lightning Web Security \u9690\u5f0f\u542f\u7528\u4e86 JavaScript \u4e25\u683c\u6a21\u5f0f\u3002\u65e0\u9700\u5728\u4ee3\u7801\u4e2d\u6307\u5b9a\u3002JavaScript \u4e25\u683c\u6a21\u5f0f\u4f7f\u4ee3\u7801\u66f4\u5b89\u5168\u3001\u66f4\u53ef\u9760\u3001\u66f4\u53d7\u652f\u6301\u3002<code>\"use strict\"<\/code><\/p>\n\n\n\n<p>\u5f53\u542f\u7528\u4e25\u683c\u6a21\u5f0f\u5e76\u91c7\u53d6\u4e0d\u5b89\u5168\u7684\u64cd\u4f5c\u65f6\uff0cJavaScript \u4f1a\u629b\u51fa\u9519\u8bef\uff0c\u5426\u5219\u8fd9\u4e9b\u9519\u8bef\u4f1a\u88ab\u7981\u6b62\u3002\u4e0d\u5b89\u5168\u64cd\u4f5c\u7684\u793a\u4f8b\u5305\u62ec\u5c06\u503c\u5206\u914d\u7ed9\u4e0d\u53ef\u5199\u7684\u5c5e\u6027\u4ee5\u53ca\u4f7f\u7528\u5c1a\u672a\u58f0\u660e\u7684\u53d8\u91cf\u3002\u62a5\u544a\u8fd9\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u6355\u83b7\u53d8\u91cf\u540d\u79f0\u952e\u5165\u9519\u8bef\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528\u4e25\u683c\u6a21\u5f0f\u65f6\u7684\u4e00\u4e9b\u5e38\u89c1\u7eca\u811a\u77f3\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u60a8\u5fc5\u987b\u58f0\u660e\u6240\u6709\u53d8\u91cf\u3002\u4f7f\u7528\u5e93\u6216\u6a21\u5757\u4e2d\u7684\u4efb\u4f55 \u3001 \u6216\u58f0\u660e\u3002<code>var<\/code><code>let<\/code><code>const<\/code><\/li>\n\n\n\n<li>\u82e5\u8981\u5728\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\u4ee3\u7801\uff0c\u5fc5\u987b\u4ece\u6a21\u5757\u4e2d\u5bfc\u51fa\u53d8\u91cf\u548c\u51fd\u6570\uff0c\u5e76\u5c06\u5b83\u4eec\u5bfc\u5165\u5230\u5176\u4ed6\u6a21\u5757\u4e2d\u3002\u8bf7\u53c2\u9605\u5171\u4eab JavaScript \u4ee3\u7801\u3002<\/li>\n\n\n\n<li>\u7ec4\u4ef6\u4f7f\u7528\u7684\u5e93\u4e5f\u5fc5\u987b\u5728\u4e25\u683c\u6a21\u5f0f\u4e0b\u5de5\u4f5c\uff0c\u4f46\u4e0d\u9700\u8981\u5728\u81ea\u5df1\u7684\u4ee3\u7801\u4e2d\u6307\u5b9a\u3002\u8bf7\u53c2\u9605\u4f7f\u7528\u7b2c\u4e09\u65b9 JavaScript \u5e93\u3002<code>\"use strict\"<\/code><\/li>\n\n\n\n<li>\u5982\u679c\u4f7f\u7528\u663e\u5f0f\u6307\u5b9a\u7684\u7b2c\u4e09\u65b9\u5e93\uff0c\u5219\u53ef\u80fd\u4f1a\u5728 LWS \u4e0b\u51fa\u73b0\u9519\u8bef\u3002\u8bf7\u53c2\u89c1\u4f7f\u7528 LWS \u7684\u7b2c\u4e09\u65b9\u5e93\u4e25\u683c\u6a21\u5f0f\u3002<code>\"use strict\"<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u6709\u5173 JavaScript \u4e25\u683c\u6a21\u5f0f\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u00a0Mozilla \u5f00\u53d1\u4eba\u5458\u7f51\u7edc\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"dom-access-containment\">DOM \u8bbf\u95ee\u904f\u5236<\/h2>\n\n\n\n<p>\u7ec4\u4ef6\u53ea\u80fd\u904d\u5386 DOM \u5e76\u8bbf\u95ee\u5b83\u521b\u5efa\u7684\u5143\u7d20\u3002\u6b64\u884c\u4e3a\u53ef\u9632\u6b62\u53cd\u6a21\u5f0f\u8fdb\u5165\u5176\u4ed6\u7ec4\u4ef6\u62e5\u6709\u7684 DOM \u5143\u7d20\u3002<\/p>\n\n\n\n<p>Lightning Web \u7ec4\u4ef6\u4e0d\u80fd\u4f7f\u7528 \u6216 \u5168\u5c40\u5c5e\u6027\u6765\u67e5\u8be2 DOM \u5143\u7d20\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 \u800c\u4e0d\u662f .<code>window<\/code><code>document<\/code><code>this.template.querySelector()<\/code><code>document.querySelector()<\/code><\/p>\n\n\n\n<p>\u6ce8\u610f<\/p>\n\n\n\n<p>\u4f7f\u7528\u00a0Lightning Web Security\u00a0\uff08LWS\uff09\uff0c\u7ec4\u4ef6\u5bf9 DOM \u7684\u8bbf\u95ee\u7531\u6d4f\u89c8\u5668\u901a\u8fc7 Shadow DOM \u63a7\u5236\uff0cShadow DOM \u662f\u5728 Web \u6d4f\u89c8\u5668\u4e2d\u5b9e\u73b0\u7684 Web \u6807\u51c6\u3002LWS \u901a\u8fc7\u8981\u6c42 to be \u6765\u5f3a\u5236\u5173\u95ed\uff0c\u8fd9\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u5c01\u88c5\u9650\u5236\u3002\u53c2\u89c1 MDN \u4e2d\u7684\u00a0ShadowRoot.mode\u3002<code>shadowRootmodeclosed<\/code><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"secure-wrappers\">\u5b89\u5168\u5305\u88c5\u7eb8<\/h2>\n\n\n\n<p>\u4e3a\u4e86\u5b89\u5168\u8d77\u89c1\uff0cLightning Locker \u901a\u8fc7\u9690\u85cf\u5bf9\u8c61\u6216\u5c06\u5176\u5305\u88c5\u5728\u5bf9\u8c61\u7684\u5b89\u5168\u7248\u672c\u4e2d\u6765\u9650\u5236\u5168\u5c40\u5bf9\u8c61\u7684\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u7684\u5b89\u5168\u7248\u672c\u662f \u3002Locker \u4f1a\u622a\u83b7\u5bf9 \u7684\u8c03\u7528\u5e76\u6539\u7528\u3002<code>window<\/code><code>SecureWindow<\/code><code>window<\/code><code>SecureWindow<\/code><\/p>\n\n\n\n<p>\u82e5\u8981\u67e5\u770b \u3001 \u548c\u5305\u88c5\u5668\u652f\u6301\u54ea\u4e9b API\uff0c\u8bf7\u4f7f\u7528\u00a0Locker API \u67e5\u770b\u5668\u5de5\u5177\u3002<code>SecureWindowSecureDocumentSecureElementSecureWindow<\/code><\/p>\n\n\n\n<p>\u53ef\u7528\uff1aLightning Web \u7ec4\u4ef6\u548c Aura \u7ec4\u4ef6<\/p>\n\n\n\n<p>\u5bf9\u8c61\u7684\u5b89\u5168\u5305\u88c5\u5668\uff0c\u5b83\u8868\u793a\u5305\u542b DOM \u6587\u6863\u7684\u7a97\u53e3\u3002<code>window<\/code><\/p>\n\n\n\n<p>\u5982\u679c Lightning Web \u7ec4\u4ef6\u548c Aura \u7ec4\u4ef6\u5c5e\u4e8e\u540c\u4e00\u547d\u540d\u7a7a\u95f4\uff0c\u5219\u5b83\u4eec\u5171\u4eab\u540c\u4e00\u5b9e\u4f8b\u3002<code>SecureWindow<\/code><code>SecureDocument<\/code><\/p>\n\n\n\n<p>\u53ef\u7528\uff1aLightning Web \u7ec4\u4ef6\u548c Aura \u7ec4\u4ef6<\/p>\n\n\n\n<p>\u5bf9\u8c61\u7684\u5b89\u5168\u5305\u88c5\u5668\uff0c\u8868\u793a HTML \u6587\u6863\u6216\u9875\u9762\u7684\u6839\u8282\u70b9\u3002\u5bf9\u8c61\u662f\u9875\u9762\u5185\u5bb9\u7684\u5165\u53e3\u70b9\uff0c\u5373 DOM \u6811\u3002<code>document<\/code><code>document<\/code><\/p>\n\n\n\n<p>\u5982\u679c Lightning Web \u7ec4\u4ef6\u548c Aura \u7ec4\u4ef6\u5c5e\u4e8e\u540c\u4e00\u547d\u540d\u7a7a\u95f4\uff0c\u5219\u5b83\u4eec\u5171\u4eab\u540c\u4e00\u5b9e\u4f8b\u3002<code>SecureDocument<\/code><code>SecureObject<\/code><\/p>\n\n\n\n<p>\u53ef\u7528\uff1aLightning Web \u7ec4\u4ef6\u548c Aura \u7ec4\u4ef6<\/p>\n\n\n\n<p>\u7531 Lightning Locker \u5305\u88c5\u7684\u5bf9\u8c61\u7684\u5b89\u5168\u5305\u88c5\u5668\u3002\u5f53\u60a8\u770b\u5230 \u65f6\uff0c\u8fd9\u901a\u5e38\u610f\u5473\u7740\u60a8\u65e0\u6743\u8bbf\u95ee\u57fa\u7840\u5bf9\u8c61\uff0c\u5e76\u4e14\u5176\u5c5e\u6027\u4e0d\u53ef\u7528\u3002<code>SecureObject<\/code><code>SecureElement<\/code><\/p>\n\n\n\n<p>\u53ef\u7528\uff1aLightning Web \u7ec4\u4ef6\u548c Aura \u7ec4\u4ef6<\/p>\n\n\n\n<p>\u5bf9\u8c61\u7684\u5b89\u5168\u5305\u88c5\u5668\uff0c\u8868\u793a\u5404\u79cd HTML \u5143\u7d20\u3002<code>element<\/code><\/p>\n\n\n\n<p>\u5982\u679c Lightning Web \u7ec4\u4ef6\u548c Aura \u7ec4\u4ef6\u5c5e\u4e8e\u540c\u4e00\u547d\u540d\u7a7a\u95f4\uff0c\u5219\u5b83\u4eec\u5171\u4eab\u540c\u4e00\u5b9e\u4f8b\u3002<code>SecureElement<\/code><\/p>\n\n\n\n<p>Lightning Web \u7ec4\u4ef6\u8fd8\u4f7f\u7528\u5305\u88c5\u5668\u3002<code>SecureLightningElement<\/code><code>SecureLightningElement<\/code><\/p>\n\n\n\n<p>\u53ef\u7528\uff1aLightning Web \u7ec4\u4ef6<\/p>\n\n\n\n<p>\u57fa\u7c7b\u7684\u5b89\u5168\u5305\u88c5\u5668\u3002Lightning Web \u7ec4\u4ef6\u6269\u5c55\u4e86\u57fa\u7c7b\uff0c\u5e76\u5728\u8fd0\u884c\u65f6 Locker \u4f7f\u7528 .\u521b\u5efa Lightning Web \u7ec4\u4ef6\u65f6\uff0c\u8bf7\u52ff\u76f4\u63a5\u6269\u5c55\u3002<code>LightningElement<\/code><code>LightningElement<\/code><code>SecureLightningElement<\/code><code>SecureLightningElement<\/code><\/p>\n\n\n\n<p>\u4e0d\u652f\u6301\u8fd9\u4e9b API\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>Element.attachShadow()<\/code><\/li>\n\n\n\n<li><code>Element.shadowRoot<\/code>\u00a0&#8211; \u6539\u7528<code>this.template<\/code><\/li>\n\n\n\n<li><code>Element.slot<\/code><\/li>\n<\/ul>\n\n\n\n<p><code>SecureTemplate<\/code><\/p>\n\n\n\n<p>\u53ef\u7528\uff1aLightning Web \u7ec4\u4ef6<\/p>\n\n\n\n<p>\u5bf9\u8c61\u7684\u5b89\u5168\u5305\u88c5\u5668\uff0c\u8868\u793a\u8282\u70b9\u3002<code>template<\/code><code>shadowRoot<\/code><\/p>\n\n\n\n<p>\u4e0d\u652f\u6301\u8fd9\u4e9b API\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>Node.localName<\/code><\/li>\n\n\n\n<li><code>Node.namespaceURI<\/code><\/li>\n\n\n\n<li><code>Node.nodeValue<\/code><\/li>\n\n\n\n<li><code>Node.nextSibling<\/code><\/li>\n\n\n\n<li><code>Node.previousSibling<\/code><\/li>\n\n\n\n<li><code>Node.parentElement<\/code><\/li>\n\n\n\n<li><code>Node.parentNode<\/code><\/li>\n\n\n\n<li><code>Node.prefix<\/code><\/li>\n\n\n\n<li><code>NonDocumentTypeChildNode.nextElementSibling<\/code><\/li>\n\n\n\n<li><code>NonDocumentTypeChildNode.previousElementSibling<\/code><\/li>\n\n\n\n<li><code>DocumentOrShadowRoot.getSelection()<\/code><\/li>\n\n\n\n<li><code>DocumentOrShadowRoot.styleSheets<\/code><\/li>\n\n\n\n<li><code>DocumentOrShadowRoot.pointerLockElement<\/code><\/li>\n\n\n\n<li><code>DocumentFragment.getElementById()<\/code><\/li>\n\n\n\n<li><code>ParentNode.append<\/code><\/li>\n\n\n\n<li><code>ParentNode.prepend<\/code><\/li>\n\n\n\n<li><code>constructor<\/code><\/li>\n\n\n\n<li><code>EventTarget.dispatchEvent<\/code><\/li>\n\n\n\n<li><code>pictureInPictureElement<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u6ce8\u610f<\/p>\n\n\n\n<p>Lightning Web Security\u00a0\u4e0d\u4f7f\u7528\u5305\u88c5\u5668\u3002\u5b83\u4f7f\u7528 JavaScript \u6c99\u76d2\u4e2d\u7684 API \u5931\u771f\u6765\u6709\u9009\u62e9\u5730\u4fee\u6539\u542f\u7528\u975e\u5b89\u5168\u884c\u4e3a\u7684 API\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"eval()-function-is-limited-by-lightning-locker\">eval\uff08\uff09 \u51fd\u6570\u53d7 Lightning Locker \u9650\u5236<\/h2>\n\n\n\n<p>\u5728 Lightning Locker \u4e2d\uff0c\u652f\u6301\u4f7f\u7528\u8be5\u51fd\u6570\u6765\u542f\u7528\u52a8\u6001\u8bc4\u4f30\u4ee3\u7801\u7684\u7b2c\u4e09\u65b9\u5e93\u3002\u4f46\u662f\uff0c\u5b83\u4ec5\u9650\u4e8e\u5728\u547d\u540d\u7a7a\u95f4\u7684\u5168\u5c40\u8303\u56f4\u5185\u5de5\u4f5c\u3002\u8be5\u51fd\u6570\u65e0\u6cd5\u8bbf\u95ee\u8c03\u7528\u5b83\u7684\u8303\u56f4\u5185\u7684\u5c40\u90e8\u53d8\u91cf\u3002<code>eval()<\/code><code>eval()<\/code><\/p>\n\n\n\n<p>\u901a\u5e38\uff0c\u6709\u4e24\u79cd\u6267\u884c\u6a21\u5f0f\u3002\u76f4\u63a5\u8c03\u7528\u65f6\uff0c\u5b83\u5728\u672c\u5730\u8303\u56f4\u5185\u5de5\u4f5c\u3002\u5f53\u60a8\u901a\u8fc7\u5f15\u7528\u8c03\u7528\u5b83\u65f6\uff0c\u5b83\u4f1a\u5728\u5168\u5c40\u8303\u56f4\u5185\u5de5\u4f5c\u3002Lightning Locker\u4ec5\u652f\u6301\u540e\u8005\u3002<code>eval()<\/code><code>eval()<\/code><\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5047\u8bbe\u60a8\u6267\u884c\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>window.foo = 1;\nfunction bar() {\n  var foo = 2;\n  return eval(\"foo\");\n}<\/code><\/pre>\n\n\n\n<p>\u5728\u672c\u5730\u8303\u56f4\u5185\u6267\u884c\u8bc4\u4f30\u65f6\uff0c\u8c03\u7528 2 \u65f6\u8fd4\u56de 2\uff0c\u5728\u5168\u5c40\u8303\u56f4\u5185\u6267\u884c\u8bc4\u4f30\u65f6\u8fd4\u56de 1\u3002\u5982\u679c\u5fc5\u987b\u4f7f\u7528\u672c\u5730\u8303\u56f4\u4e2d\u7684\u53d8\u91cf\uff0c\u8bf7\u91cd\u6784\u4ee3\u7801\u3002\u4f7f\u7528 \uff0c\u5c06\u5c40\u90e8\u53d8\u91cf\u58f0\u660e\u4e3a\u53c2\u6570\uff0c\u5c06\u5b83\u4eec\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff0c\u5e76\u6dfb\u52a0 return \u8bed\u53e5\uff1a<code>bar()<\/code><code>Function()<\/code><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>window.foo = 1;\nfunction bar() {\n  var foo = 2;\n  return Function(\"foo\", \"return foo\")(foo);\n}<\/code><\/pre>\n\n\n\n<p>\u63d0\u793a<\/p>\n\n\n\n<p>Lightning Web Security \u4e0d\u9650\u4e8e\u5168\u5c40\u8303\u56f4\uff0c\u56e0\u4e3a\u4ee3\u7801\u5728\u6c99\u76d2\u4e2d\u6267\u884c\u3002\u4f46\u662f\uff0c\u4ecd\u7136\u4e0d\u5efa\u8bae\u76f4\u63a5\u5728\u672c\u5730\u8303\u56f4\u5185\u8c03\u7528\u3002<code>eval()<\/code><code>eval()<\/code><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mime-types-permitted\">\u5141\u8bb8\u7684 MIME \u7c7b\u578b<\/h2>\n\n\n\n<p>Lightning Locker \u5206\u6790 Blob \u5bf9\u8c61\u4e2d\u4f7f\u7528\u7684 MIME \u7c7b\u578b\u3002Locker \u5141\u8bb8\u67d0\u4e9b MIME \u7c7b\u578b\uff0c\u6e05\u7406\u67d0\u4e9b MIME \u7c7b\u578b\uff0c\u5e76\u963b\u6b62\u5176\u4f59\u7c7b\u578b\u3002<\/p>\n\n\n\n<p>Lightning Locker \u5141\u8bb8\u8fd9\u4e9b MIME \u7c7b\u578b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>application\/octet-stream<\/code>\u2014 \u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u9ed8\u8ba4\u503c<\/li>\n\n\n\n<li><code>application\/json<\/code>\u2014 JSON \u683c\u5f0f<\/li>\n\n\n\n<li><code>application\/pdf<\/code>\u2014 \u53ef\u79fb\u690d\u6587\u6863\u683c\u5f0f \uff08.pdf\uff09<\/li>\n\n\n\n<li><code>video\/<\/code>\u2014 \u6240\u6709\u54d1\u5267\u7c7b\u578b<code>video\/*<\/code><\/li>\n\n\n\n<li><code>audio\/<\/code>\u2014 \u6240\u6709\u54d1\u5267\u7c7b\u578b<code>audio\/*<\/code><\/li>\n\n\n\n<li><code>image\/<\/code>\u2014 \u6240\u6709\u54d1\u5267\u7c7b\u578b<code>image\/*<\/code><\/li>\n\n\n\n<li><code>font\/<\/code>\u2014 \u6240\u6709\u54d1\u5267\u7c7b\u578b<code>font\/*<\/code><\/li>\n\n\n\n<li><code>text\/plain<\/code>\u2014 \u6587\u672c \uff08.txt\uff09<\/li>\n\n\n\n<li><code>text\/markdown<\/code>\u2014 \u964d\u4ef7 \uff08.md\uff09<\/li>\n\n\n\n<li><code>application\/zip<\/code>\u2014 \u538b\u7f29\u5b58\u6863 \uff08.zip\uff09<\/li>\n\n\n\n<li><code>application\/x-bzip<\/code>\u2014 Bzip \u5b58\u6863 \uff08.bz\uff09<\/li>\n\n\n\n<li><code>application\/x-rar-compressed<\/code>\u2014 RAR \u5b58\u6863 \uff08.rar\uff09<\/li>\n\n\n\n<li><code>application\/x-tar<\/code>\u2014 \u78c1\u5e26\u5b58\u6863 \uff08.tar\uff09<\/li>\n<\/ul>\n\n\n\n<p>Locker \u6e05\u7406 \u3001 \u548c MIME \u7c7b\u578b\u3002\u8fd9\u4e9b\u7c7b\u578b\u662f\u5141\u8bb8\u7684\uff0c\u4f46 Locker \u4f1a\u5220\u9664\u6f5c\u5728\u7684\u6076\u610f\u4ee3\u7801\u3002<code>text\/html<\/code><code>image\/svg+xml<\/code><code>text\/xml<\/code><\/p>\n\n\n\n<p>\u4efb\u4f55\u5176\u4ed6\u7c7b\u578b\u90fd\u4f1a\u88ab\u963b\u6b62\uff0c\u5e76\u663e\u793a\u9519\u8bef\u6d88\u606f\u3002<code>Unsupported MIME type<\/code><\/p>\n\n\n\n<p>\u82e5\u8981\u53d1\u9001\u672a\u660e\u786e\u5141\u8bb8\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u8bf7\u5c06 MIME \u7c7b\u578b\u6307\u5b9a\u4e3a .<code>application\/octet-stream<\/code><\/p>\n\n\n\n<p>\u63d0\u793a<\/p>\n\n\n\n<p>Lightning Web Security \uff08LWS\uff09 \u8981\u6c42\u60a8\u6307\u5b9a MIME \u7c7b\u578b\u3002\u8bf7\u53c2\u9605\u5728 LWS \u4e2d\u6307\u5b9a Blob \u5bf9\u8c61\u7684 MIME \u7c7b\u578b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"third-party-web-components-with-lightning-locker\">\u5e26\u6709 Lightning Locker \u7684\u7b2c\u4e09\u65b9 Web \u7ec4\u4ef6<\/h2>\n\n\n\n<p>Lightning Locker \u963b\u6b62\u4f7f\u7528\u7b2c\u4e09\u65b9 Web \u7ec4\u4ef6\uff0c\u4ee5\u9632\u6b62 Salesforce \u5e73\u53f0\u4e0a\u7684\u5b89\u5168\u98ce\u9669\u3002<\/p>\n\n\n\n<p>Web \u7ec4\u4ef6\u662f\u81ea\u5b9a\u4e49\u5143\u7d20\u3002\u82e5\u8981\u5b9a\u4e49\u81ea\u5b9a\u4e49\u5143\u7d20\uff0c\u5fc5\u987b\u4f7f\u7528 API\u3002\u4f46\u662f\uff0c\u6b64 API \u5141\u8bb8\u60a8\u6309\u6807\u8bb0\u540d\u79f0\u5168\u5c40\u6ce8\u518c\u7ec4\u4ef6\u3002\u5168\u5c40\u6ce8\u518c\u6807\u8bb0\u540d\u79f0\u5b58\u5728\u5b89\u5168\u98ce\u9669\uff0c\u56e0\u4e3a\u653b\u51fb\u8005\u53ef\u4ee5\u521b\u5efa\u4efb\u4f55\u5df2\u6ce8\u518c\u81ea\u5b9a\u4e49\u5143\u7d20\u7684\u5b9e\u4f8b\uff0c\u5e76\u53ef\u80fd\u83b7\u5f97\u5bf9\u654f\u611f\u4fe1\u606f\u7684\u8bbf\u95ee\u6743\u9650\u3002Lightning Locker \u7684\u5305\u88c5\u5668\u963b\u6b62\u4e86\u521b\u5efa\u81ea\u5b9a\u4e49 Web \u7ec4\u4ef6\u7684\u65b9\u6cd5\u3002<code>customElements.define<\/code><code>SecureWindow<\/code><code>customElements<\/code><\/p>\n\n\n\n<p>Locker API \u67e5\u770b\u5668\u5de5\u5177\u4e2d\u7684\u5305\u88c5\u5668\u5217\u8868\u663e\u793a\u4e0d\u53d7\u652f\u6301\u3002<code>SecureWindowcustomElements<\/code><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"restricted-access-to-salesforce-global-variables\">\u5bf9 Salesforce \u5168\u5c40\u53d8\u91cf\u7684\u8bbf\u95ee\u53d7\u9650<\/h2>\n\n\n\n<p>Lightning Locker \u963b\u6b62\u8bbf\u95ee\u5176\u4ed6 Salesforce \u529f\u80fd\u53ef\u7528\u7684\u67d0\u4e9b\u5168\u5c40 JavaScript \u5bf9\u8c61\u3002<\/p>\n\n\n\n<p>Lightning Web \u7ec4\u4ef6<strong>\u65e0\u6743\u8bbf\u95ee<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>$A<\/code><\/li>\n\n\n\n<li><code>Aura<\/code><\/li>\n\n\n\n<li><code>Sfdc<\/code><\/li>\n\n\n\n<li><code>sforce<\/code><\/li>\n<\/ul>\n\n\n\n<p>Locker \u9650\u5236\u4e86 Lightning Web \u7ec4\u4ef6\u5bf9\u8fd9\u4e9b\u5bf9\u8c61\u7684\u8bbf\u95ee\uff0c\u56e0\u4e3a\u5b83\u4eec\u8981\u4e48\u5df2\u88ab\u5f03\u7528\uff0c\u8981\u4e48\u4f1a\u5bfc\u81f4\u8de8\u6846\u67b6\u4f9d\u8d56\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"lightning-locker-disabled-for-unsupported-browsers\">Lightning Locker\u4e3a\u4e0d\u53d7\u652f\u6301\u7684\u6d4f\u89c8\u5668\u7981\u7528<\/h2>\n\n\n\n<p>Lightning Locker \u4f9d\u8d56\u4e8e\u6d4f\u89c8\u5668\u4e2d\u7684\u4e00\u4e9b JavaScript \u529f\u80fd\uff1a\u652f\u6301\u4e25\u683c\u6a21\u5f0f\u3001\u5bf9\u8c61\u548c\u5bf9\u8c61\u3002\u5982\u679c\u6d4f\u89c8\u5668\u4e0d\u7b26\u5408\u8981\u6c42\uff0cLightning Locker \u5c06\u65e0\u6cd5\u5f3a\u5236\u6267\u884c\u5176\u6240\u6709\u5b89\u5168\u529f\u80fd\uff0c\u56e0\u6b64\u4f1a\u88ab\u7981\u7528\u3002<code>WeakMap<\/code><code>Proxy<\/code><\/p>\n\n\n\n<p>Lightning Locker \u5728 Lightning Experience \u652f\u6301\u7684\u6d4f\u89c8\u5668\u4e2d\u542f\u7528\u3002\u5982\u679c\u60a8\u7684\u5e94\u7528\u5728\u4e0d\u53d7\u652f\u6301\u7684\u6d4f\u89c8\u5668\u4e2d\u8fd0\u884c\uff0c\u60a8\u53ef\u80fd\u4f1a\u9047\u5230\u65e0\u6cd5\u4fee\u590d\u7684\u95ee\u9898\u3002\u901a\u8fc7\u8981\u6c42\u5e94\u7528\u5728\u53d7\u652f\u6301\u7684\u6d4f\u89c8\u5668\u4e2d\u8fd0\u884c\uff0c\u4f7f\u4f60\u7684\u751f\u6d3b\u66f4\u8f7b\u677e\uff0c\u7528\u6237\u7684\u6d4f\u89c8\u4f53\u9a8c\u66f4\u5b89\u5168\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f<\/p>\n\n\n\n<p>IE11 \u7981\u7528\u4e86 Lightning Locker\u3002\u5bf9 IE11 \u7684\u652f\u6301\u5c06\u4e8e 2022 \u5e74 12 \u6708 31 \u65e5\u7ed3\u675f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"arrays-proxied-when-passed-to-child-components\">\u4f20\u9012\u7ed9\u5b50\u7ec4\u4ef6\u65f6\u4ee3\u7406\u7684\u6570\u7ec4<\/h2>\n\n\n\n<p>\u5f53\u60a8\u5c06\u6570\u7ec4\u4f20\u9012\u7ed9\u5b50\u7ec4\u4ef6\u65f6\uff0cLightning Locker \u4f1a\u5c06\u8be5\u6570\u7ec4\u5305\u88c5\u5728\u4ee3\u7406\u4e2d\u3002<\/p>\n\n\n\n<p>JavaScript \u7528\u4e8e\u4f20\u9012\u7ed9\u5d4c\u5957\u7ec4\u4ef6\u7684\u6570\u7ec4\u3002\u5982\u679c\u5c06\u6570\u7ec4\u4ece\u7236\u7ec4\u4ef6\u4f20\u9012\u5230\u5d4c\u5957\u7ec4\u4ef6\u7684\u591a\u4e2a\u5c42\uff0c\u5219\u4f1a\u591a\u6b21\u4ee3\u7406\u8be5\u6570\u7ec4\u3002\u5f53\u6570\u7ec4\u7531\u591a\u4e2a\u5bf9\u8c61\u7ec4\u6210\u65f6\uff0c\u591a\u4e2a\u4ee3\u7406\u5728\u8fd0\u884c\u51fd\u6570\uff08\u4f8b\u5982\u5728\u6570\u7ec4\u4e0a\uff09\u65f6\u4f1a\u5bf9\u6027\u80fd\u9020\u6210\u8d1f\u9762\u5f71\u54cd\u3002\u5982\u679c\u9875\u9762\u4f7f\u7528\u7684\u7ec4\u4ef6\u901a\u8fc7\u5b50\u7ec4\u4ef6\u5c42\u4f20\u9012\u5927\u91cf\u5bf9\u8c61\uff0c\u5219\u8be5\u7ec4\u4ef6\u53ef\u80fd\u4f1a\u53d8\u5f97\u65e0\u54cd\u5e94\u3002<code>Proxy<\/code><code>JSON.stringify<\/code><\/p>\n\n\n\n<p>\u82e5\u8981\u9650\u5236\u5904\u7406\u5927\u578b\u6570\u7ec4\u5bf9\u6027\u80fd\u7684\u8d1f\u9762\u5f71\u54cd\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u4e4b\u4e00\u91cd\u6784\u4ee3\u7801\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u907f\u514d\u5c06\u5927\u578b\u5bf9\u8c61\u6570\u7ec4\u5411\u4e0b\u4f20\u9012\u591a\u4e2a\u7ea7\u522b\u3002\u4f8b\u5982\uff0c\u5c06\u6570\u7ec4\u4ece\u7236\u7ea7\u4f20\u9012\u5230\u5b50\u7ea7\uff0c\u4f46\u4e0d\u8981\u8fdb\u4e00\u6b65\u4f20\u9012\u3002<\/li>\n\n\n\n<li>\u5728\u7236\u7ec4\u4ef6\u4e2d\u5c06\u6570\u636e\u5212\u5206\u4e3a\u591a\u4e2a\u8f83\u5c0f\u7684\u6570\u7ec4\u3002<\/li>\n<\/ul>\n\n\n\n<p>Lightning Web Security\u00a0\uff08LWS\uff09 \u6ca1\u6709\u6b64\u9650\u5236\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"queryselector-apis-running-with-lightning-locker\">\u4f7f\u7528 Lightning Locker \u8fd0\u884c\u7684 querySelector API<\/h2>\n\n\n\n<p>\u542f\u7528 Lightning Locker \u540e\uff0c\u4f7f\u7528\u6216 API \u8fd4\u56de\u5143\u7d20\u7684\u7ec4\u4ef6\u53ef\u80fd\u4f1a\u9047\u5230\u5927\u578b DOM \u6811\u7684\u5185\u5b58\u6cc4\u6f0f\u548c\u6027\u80fd\u95ee\u9898\u3002\u4ece DOM \u4e2d\u5220\u9664\u7ec4\u4ef6\u65f6\uff0c\u5185\u5b58\u6709\u65f6\u4e0d\u4f1a\u91ca\u653e\u3002\u5373\u4f7f\u5728 DevTools \u4e2d\u624b\u52a8\u8c03\u7528\u5783\u573e\u56de\u6536\uff0c\u5783\u573e\u56de\u6536\u4e5f\u4e0d\u4f1a\u6e05\u9664\u5185\u5b58\u3002\u6d4f\u89c8\u5668\u53ef\u80fd\u4f1a\u4f7f\u7528\u4e0d\u65ad\u589e\u52a0\u7684\u5185\u5b58\u91cf\uff0c\u5e76\u53ef\u80fd\u56e0\u5185\u5b58\u4e0d\u8db3\u9519\u8bef\u800c\u5d29\u6e83\u3002<code>this.template.querySelector<\/code><code>this.template.querySelectorAll<\/code><\/p>\n\n\n\n<p>\u6b64\u95ee\u9898\u7684\u552f\u4e00\u89e3\u51b3\u65b9\u6cd5\u662f\u5728\u8fd0\u884c\u7ec4\u4ef6\u7684\u7ec4\u7ec7\u4e2d\u542f\u7528 Lightning Web Security\u3002\u5783\u573e\u56de\u6536\u5728 LWS \u4e0b\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n\n\n\n<p>\u6216\u8005\uff0c\u8003\u8651\u4f7f\u7528\u00a0refs\u00a0\u800c\u4e0d\u662f .<code>querySelector<\/code><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"lightning-locker-tools\">Lightning Locker\u5de5\u5177<\/h2>\n\n\n\n<p>Lightning Locker \u5de5\u5177\u53ef\u5e2e\u52a9\u60a8\u5f00\u53d1\u4e0e Lightning Locker \u517c\u5bb9\u5e76\u9ad8\u6548\u8fd0\u884c\u7684\u5b89\u5168\u4ee3\u7801\u3002Lightning Locker API \u67e5\u770b\u5668<\/p>\n\n\n\n<p>\u4f7f\u7528 Lightning Locker API \u67e5\u770b\u5668\u67e5\u770b Lightning Locker \u652f\u6301\u54ea\u4e9b\u6807\u51c6 DOM\u00a0API\u00a0\u7528\u4e8e\u6700\u590d\u6742\u7684\u5305\u88c5\u5668\uff1a\u3001 \u548c \u3002<code>SecureDocumentSecureElementSecureWindow<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"640\" height=\"340\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/locker_api_viewer.png\" alt=\"\" class=\"wp-image-3889\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/locker_api_viewer.png 640w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/locker_api_viewer-300x159.png 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p>\u50a8\u7269\u67dc\u63a7\u5236\u53f0<\/p>\n\n\n\n<p>\u4f7f\u7528 Locker \u63a7\u5236\u53f0\u68c0\u67e5 JavaScript \u4ee3\u7801\u4e0e Lightning Locker \u7684\u517c\u5bb9\u6027\uff0c\u5e76\u6bd4\u8f83\u5b83\u5728\u542f\u7528\u548c\u7981\u7528 Lightning\u00a0Locker\u00a0\u65f6\u7684\u8fd0\u884c\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p>\u8bc4\u4f30 JavaScript \u4ee3\u7801\u662f\u5426\u5b58\u5728\u95ee\u9898\u6216\u57fa\u51c6\u6d4b\u8bd5\u4ee3\u7801\uff0c\u800c\u65e0\u9700\u521b\u5efa\u5e94\u7528\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1004\" height=\"359\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/locker_console.png\" alt=\"\" class=\"wp-image-3890\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/locker_console.png 1004w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/locker_console-300x107.png 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/locker_console-768x275.png 768w\" sizes=\"(max-width: 1004px) 100vw, 1004px\" \/><\/figure>\n\n\n\n<p>\u8981\u8bc4\u4f30\u6216\u57fa\u51c6\u6d4b\u8bd5\u60a8\u7684 JavaScript \u4ee3\u7801\uff0c\u8bf7\u5c06\u5176\u7c98\u8d34\u6216\u952e\u5165\u5230\u63a7\u5236\u53f0\u4e2d \uff081\uff09\u3002\u542f\u7528\u6216\u7981\u7528 Locker \u548c Strict CSP \uff082\uff09\u3002\u82e5\u8981\u8fd0\u884c\u63a7\u5236\u53f0\u4e2d\u663e\u793a\u7684\u4ee3\u7801\uff0c\u8bf7\u5355\u51fb<strong>\u201c\u8bc4\u4f30<\/strong>\u201d\uff083\uff09\u3002\u82e5\u8981\u4f7f\u7528\u548c\u4e0d\u4f7f\u7528 Locker \u8fd0\u884c\u4ee3\u7801\u5e76\u67e5\u770b\u76f8\u5173\u6027\u80fd\u6307\u6807\uff0c\u8bf7\u5355\u51fb<strong>\u201c\u57fa\u51c6\u6d4b\u8bd5<\/strong>\u201d\u3002\u8981\u6e05\u9664\u663e\u793a\u7684\u7ed3\u679c\uff0c\u8bf7\u5355\u51fb<strong>\u201c\u6e05\u9664\u7ed3\u679c<\/strong>\u201d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"select-the-locker-api-version-for-an-org\">\u9009\u62e9\u7ec4\u7ec7\u7684 Locker API \u7248\u672c<\/h2>\n\n\n\n<p>\u9009\u62e9 Lightning Locker \u5728\u6574\u4e2a\u7ec4\u7ec7\u4e2d\u4f7f\u7528\u7684 API \u7248\u672c\u3002\u9ed8\u8ba4\u503c\u4e3a\u5f53\u524d API \u7248\u672c\uff0c\u5176\u4e2d\u5305\u62ec\u6700\u65b0\u7684 Locker \u5b89\u5168\u589e\u5f3a\u529f\u80fd\u3002\u5f53\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u4ec5\u7b26\u5408\u65e7\u7248\u672c\u4e2d\u7684 Locker \u65f6\uff0c\u8bf7\u9009\u62e9\u8f83\u65e9\u7684 API \u7248\u672c\u3002\u5f53\u7ec4\u4ef6\u7b26\u5408\u5f53\u524d\u5b89\u5168\u589e\u5f3a\u529f\u80fd\u65f6\uff0c\u60a8\u53ef\u4ee5\u5c06\u8bbe\u7f6e\u66f4\u6539\u4e3a\u5f53\u524d API \u7248\u672c\u3002<\/p>\n\n\n\n<p>\u5728\u60a8\u7684\u6c99\u76d2\u7ec4\u7ec7\u66f4\u65b0\u5230\u65b0\u7684 Salesforce \u7248\u672c\u540e\uff0c\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u53ef\u80fd\u4f1a\u4e0e Lightning Locker \u5b89\u5168\u589e\u5f3a\u529f\u80fd\u53d1\u751f\u51b2\u7a81\u3002\u68c0\u67e5 Web \u63a7\u5236\u53f0\u4e2d\u662f\u5426\u6709\u6d88\u606f\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u5efa\u8bae\u66f4\u65b0\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u4ee5\u7b26\u5408\u6700\u65b0\u7684 Locker API \u7248\u672c\uff0c\u4f46\u6211\u4eec\u77e5\u9053\u66f4\u65b0\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\u3002\u60a8\u7684\u7ec4\u7ec7\u8fd8\u53ef\u80fd\u4f9d\u8d56\u4e8e\u5305\u542b\u7b2c\u4e09\u65b9\u5f00\u53d1\u4eba\u5458\u5fc5\u987b\u66f4\u65b0\u7684\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u7684\u6258\u7ba1\u5305\u3002\u5c06\u60a8\u7684\u7ec4\u7ec7\u8bbe\u7f6e\u4e3a\u4f7f\u7528\u8f83\u65e7\u7684 Locker API \u7248\u672c\uff0c\u4ee5\u4fbf\u5f00\u53d1\u4eba\u5458\u6709\u65f6\u95f4\u66f4\u65b0\u81ea\u5b9a\u4e49 Lightning \u7ec4\u4ef6\u5e76\u9075\u5b88 Locker \u7684\u6700\u65b0\u5b89\u5168\u589e\u5f3a\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u5728\u6c99\u76d2\u7ec4\u7ec7\u4e2d\u9a8c\u8bc1\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u662f\u5426\u5728\u5c06 Locker API \u7248\u672c\u8bbe\u7f6e\u4e3a\u6700\u65b0\u7248\u672c\u7684\u60c5\u51b5\u4e0b\u6b63\u786e\u6267\u884c\u3002\u7136\u540e\uff0c\u53ef\u4ee5\u5c06 Locker API \u7248\u672c\u66f4\u6539\u4e3a\u751f\u4ea7\u7ec4\u7ec7\u4e2d\u7684\u6700\u65b0\u7248\u672c\uff0c\u4ee5\u5229\u7528\u6700\u65b0\u7684\u5b89\u5168\u589e\u5f3a\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f<\/p>\n\n\n\n<p>Locker API \u7248\u672c\u8bbe\u7f6e\u5728 Winter &#8217;20 \u7248\u672c\u4e2d\u9996\u6b21\u63d0\u4f9b\u3002\u60a8\u53ef\u4ee5\u9009\u62e9\u7684\u6700\u65e9 Locker API \u7248\u672c\u662f 46.0\uff0c\u5b83\u542f\u7528\u4e86 Summer &#8217;19 \u7248\u672c\u7684 Locker \u529f\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528\u66f4\u8863\u5ba4 API \u7248\u672c\u7684\u4f4d\u7f6e<\/h2>\n\n\n\n<p>\u7ec4\u7ec7\u7684 Locker API \u7248\u672c\u4f1a\u5f71\u54cd Lightning\u00a0Locker \u5f71\u54cd\u4ec0\u4e48\uff1f\u4e2d\u5217\u51fa\u7684\u533a\u57df\u4e2d\u4f7f\u7528\u7684\u6240\u6709 Lightning \u7ec4\u4ef6\u3002<\/p>\n\n\n\n<p>\u5728\u7ec4\u7ec7\u4e2d\u542f\u7528 Lightning Web Security \u65f6\uff0c\u7ec4\u7ec7\u7684 Locker API \u7248\u672c\u5bf9\u00a0Lightning Web\u00a0\u7ec4\u4ef6\u6ca1\u6709\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f<\/p>\n\n\n\n<p>\u6bcf\u4e2a Lightning Web \u7ec4\u4ef6\u90fd\u6709\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\uff0c\u5176\u4e2d\u5305\u542b .\u7ec4\u4ef6\u548c Locker API \u7248\u672c\u4f7f\u7528\u76f8\u540c\u7684\u7248\u672c\u53f7\u7b56\u7565\u6765\u4e0e Salesforce \u7248\u672c\u4fdd\u6301\u4e00\u81f4\u3002\u4f46\u662f\uff0cLocker API \u7248\u672c\u7684\u7ec4\u7ec7\u8bbe\u7f6e\u4e0e\u7ec4\u4ef6\u7684 .\u7ec4\u7ec7\u4e2d\u8bbe\u7f6e\u7684 Locker API \u7248\u672c\u9002\u7528\u4e8e\u6240\u6709 Lightning \u7ec4\u4ef6\uff0c\u65e0\u8bba\u5176\u8bbe\u7f6e\u5982\u4f55\u3002<code>apiVersion<\/code><code>apiVersion<\/code><code>apiVersion<\/code><code>apiVersion<\/code><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Locker API \u7248\u672c\u66f4\u6539<\/h2>\n\n\n\n<p>\u67e5\u770b API \u7248\u672c\u4e2d\u7684\u5b89\u5168\u66f4\u6539\uff0c\u4ee5\u5e2e\u52a9\u786e\u5b9a\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u7684\u517c\u5bb9\u6027\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Locker API \u7248\u672c<\/strong><\/th><th><strong>\u5b89\u5168\u66f4\u6539<\/strong><\/th><th><strong>\u63cf\u8ff0<\/strong><\/th><\/tr><\/thead><tbody><tr><td>53.0 \u53ca\u66f4\u9ad8\u7248\u672c<\/td><td>\u6ca1\u6709<\/td><td>\u6b64\u7248\u672c\u4e2d\u7684 Lightning Locker \u66f4\u6539\u4e0d\u4f1a\u5f71\u54cd\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u3002<\/td><\/tr><tr><td>52.0<\/td><td>\u9632\u6b62\u591a\u4e2a\u6f5c\u5728\u7684\u57fa\u4e8e\u7a81\u53d8\u7684\u8de8\u7ad9\u70b9\u811a\u672c \uff08mXSS\uff09 \u5411\u91cf\u3002<\/td><td>Lightning Locker \u52a0\u5f3a\u4e86\u6807\u8bb0\u7684\u6e05\u7406\u4ee5\u63d0\u9ad8\u5b89\u5168\u6027\u3002\u6b64\u66f4\u6539\u9002\u7528\u4e8e\u6240\u6709 API \u7248\u672c\u3002\u65e0\u6cd5\u901a\u8fc7\u9009\u62e9\u8f83\u65e9\u7684 API \u7248\u672c\u6765\u56de\u6eda\u6b64\u66f4\u6539\u3002<\/td><\/tr><tr><td>51.0<\/td><td>\u6ca1\u6709<\/td><td>\u6b64\u7248\u672c\u4e2d\u7684 Lightning Locker \u66f4\u6539\u4e0d\u4f1a\u5f71\u54cd\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u3002<\/td><\/tr><tr><td>50.0<\/td><td>\u6ca1\u6709<\/td><td>\u6b64\u7248\u672c\u4e2d\u7684 Lightning Locker \u66f4\u6539\u4e0d\u4f1a\u5f71\u54cd\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u3002<\/td><\/tr><tr><td>49.0<\/td><td>\u9650\u5236 API<code>$A.getCallback()<\/code><\/td><td>Lightning Locker \u5305\u88c5\u8be5\u529f\u80fd\u3002\u5305\u88c5\u7684 JavaScript \u5fc5\u987b\u9075\u5b88 Locker \u7684\u5b89\u5168\u9650\u5236\u3002\u8bf7\u53c2\u9605 Locker API\u00a0\u67e5\u770b\u5668\uff0c\u4e86\u89e3 Lightning Locker \u4e2d JavaScript API \u7684\u652f\u6301\u72b6\u6001\u3002<code>$A.getCallback()$A.getCallback()<\/code><\/td><\/tr><tr><td>48.0<\/td><td>\u6e05\u7406\u63d2\u5165\u7684 HTML<code>execCommand<\/code><\/td><td>Lightning Locker \u4f1a\u6e05\u7406\u63d2\u5165\u7684 HTML\uff0c\u7528\u4e8e\u5220\u9664\u6f5c\u5728\u7684\u6076\u610f\u53ef\u6267\u884c\u811a\u672c\u5185\u5bb9\u3002<code>document.execCommand(insertHTML)<\/code><\/td><\/tr><tr><td>47.0<\/td><td>\u62d2\u7edd\u8868\u8fbe\u5f0f<code>import()<\/code><\/td><td>Lightning Locker \u4e0d\u5141\u8bb8\u8be5\u8868\u8fbe\u5f0f\uff0c\u56e0\u4e3a\u5bfc\u5165\u7b2c\u4e09\u65b9\u4ee3\u7801\u5b58\u5728\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\u3002<code>import()<\/code><\/td><\/tr><tr><td>&nbsp;<\/td><td>\u9650\u5236 HTML \u5143\u7d20\u7684 \u548c \u5c5e\u6027<code>name<\/code><code>id<\/code><\/td><td>Lightning Locker \u4e0d\u5141\u8bb8\u5c06 or \u5c5e\u6027\u8bbe\u7f6e\u4e3a\u4e3a DOM \u4fdd\u7559\u7684\u5c5e\u6027\u540d\u79f0\u3002<code>name<\/code><code>id<\/code><\/td><\/tr><tr><td>46.0<\/td><td>\u6240\u6709 Locker \u5b89\u5168\u529f\u80fd<\/td><td>\u652f\u6301\u81ea Lightning Locker \u63a8\u51fa\u4ee5\u6765\u7684\u6240\u6709\u529f\u80fd\uff0c\u5f53\u65f6\u5b83\u88ab\u79f0\u4e3a LockerService\u3002\u8fd9\u5305\u62ec\u7248\u672c 37.0\uff0816 \u5e74\u6625\u5b63\uff09\u5230\u7248\u672c 46.0\uff0819 \u5e74\u590f\u5b63\uff09\u7248\u672c\u4e2d\u7684\u6240\u6709\u529f\u80fd\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u66f4\u6539\u7ec4\u7ec7\u7684 Locker API \u7248\u672c<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5728\u201c\u8bbe\u7f6e\u201d\u4e2d\uff0c\u8f93\u5165\u201c\u5feb\u901f\u67e5\u627e\u201d\u6846\uff0c\u7136\u540e\u9009\u62e9<strong>\u201c\u4f1a\u8bdd\u8bbe\u7f6e<\/strong>\u201d\u3002<code>Session<\/code><\/li>\n\n\n\n<li>\u5728\u201cLocker API \u7248\u672c\u201d\u90e8\u5206\u4e2d\uff0c\u5bf9\u4e8e\u201c\u5728 API \u7248\u672c<strong>\u4e2d\u4f7f\u7528\u5b89\u5168\u589e\u5f3a\u529f\u80fd<\/strong>\u201d\u5b57\u6bb5\uff0c\u9009\u62e9 API 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