{"id":4153,"date":"2024-03-01T14:42:20","date_gmt":"2024-03-01T06:42:20","guid":{"rendered":"http:\/\/www.ponybai.com\/?p=4153"},"modified":"2023-12-06T14:48:17","modified_gmt":"2023-12-06T06:48:17","slug":"%e4%bd%bf%e7%94%a8-lightning-%e6%b6%88%e6%81%af%e6%9c%8d%e5%8a%a1%e8%b7%a8-dom-%e8%bf%9b%e8%a1%8c%e9%80%9a%e4%bf%a1","status":"publish","type":"post","link":"http:\/\/www.ponybai.com\/?p=4153","title":{"rendered":"\u4f7f\u7528 Lightning \u6d88\u606f\u670d\u52a1\u8de8 DOM \u8fdb\u884c\u901a\u4fe1"},"content":{"rendered":"\n<p>\u4f7f\u7528 Lightning \u6d88\u606f\u670d\u52a1\u5728 Lightning \u9875\u9762\u5185\u7684 DOM \u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u3002 \u5728\u540c\u4e00 Lightning \u9875\u9762\u4e2d\u5d4c\u5165\u7684 Visualforce \u9875\u9762\u3001Aura \u7ec4\u4ef6\u548c Lightning Web \u7ec4\u4ef6\uff0c\u5305\u62ec\u5b9e\u7528\u7a0b\u5e8f\u680f\u4e2d\u7684\u7ec4\u4ef6\u548c\u5f39\u51fa\u5f0f\u5b9e\u7528\u7a0b\u5e8f\u3002\u9009\u62e9 \u7ec4\u4ef6\u662f\u8ba2\u9605\u6765\u81ea\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u6d88\u606f\uff0c\u8fd8\u662f\u4ec5\u8ba2\u9605\u6765\u81ea\u6d3b\u52a8\u5e94\u7528\u7a0b\u5e8f\u7684\u6d88\u606f \u9762\u79ef\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u60a8\u8981\u4ece Salesforce Classic \u5207\u6362\u5230 Lightning Experience\uff0c\u60a8\u73b0\u5728\u53ef\u4ee5\u6784\u5efa \u53ef\u4ee5\u4e0e\u73b0\u6709 Visualforce \u9875\u9762\u6216 Aura \u7ec4\u4ef6\u8fdb\u884c\u901a\u4fe1\u7684 Lightning Web \u7ec4\u4ef6\u3002 \u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 Lightning \u6d88\u606f\u670d\u52a1\u901a\u8fc7 Open CTI \u4e0e\u8f6f\u4ef6\u7535\u8bdd\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u91cd\u8981<\/p>\n\n\n\n<p>Lightning \u6d88\u606f\u670d\u52a1\u5728 Lightning Experience \u4e2d\u63d0\u4f9b\uff0c\u5e76\u4f5c\u4e3a Experience Builder \u7ad9\u70b9\u4e2d\u4f7f\u7528\u7684 Lightning \u7ec4\u4ef6\u7684\u6d4b\u8bd5\u7248\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u8981\u5728 Visualforce \u4e2d\u8bbf\u95ee Lightning \u6d88\u606f\u670d\u52a1\uff0c\u8bf7\u4f7f\u7528\u5168\u5c40\u53d8\u91cf\u3002\u6d88\u606f\u662f\u53ef\u5e8f\u5217\u5316\u7684 JSON \u5bf9\u8c61\u3002\u793a\u4f8b \u53ef\u4ee5\u5728\u6d88\u606f\u4e2d\u4f20\u9012\u7684\u6570\u636e\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u3001\u5bf9\u8c61\u548c\u5e03\u5c14\u503c\u3002\u4e00\u6761\u6d88\u606f \u4e0d\u80fd\u5305\u542b\u51fd\u6570\u548c\u7b26\u53f7\u3002\u5168\u5c40\u53d8\u91cf\u4ec5\u5728 Lightning Experience \u4e2d\u53ef\u7528\u3002<samp>$MessageChannel<\/samp><samp>$MessageChannel<\/samp><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528\u5728\u7ec4\u7ec7\u5185\u521b\u5efa\u7684\u6d88\u606f\u901a\u9053<\/h2>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528\u5728\u60a8\u7684\u7ec4\u7ec7\u5185\u5f00\u53d1\u7684 Lightning \u6d88\u606f\u901a\u9053\u7684\u793a\u4f8b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;apex:page&gt;\n    &lt;script&gt;\n        \/\/ Load the MessageChannel token in a variable\n        var SAMPLEMC = \"{!$MessageChannel.SampleMessageChannel__c}\";\n    &lt;\/script&gt;\n&lt;\/apex:page&gt;<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5f15\u7528\u4e00\u4e2a\u5e26\u6709\u516c\u5f0f\u8868\u8fbe\u5f0f\u7684\u81ea\u5b9a\u4e49\u6d88\u606f\u901a\u9053\u3002\u6b64\u8868\u8fbe\u5f0f \u521b\u5efa\u4e00\u4e2a\u6211\u4eec\u5206\u914d\u7ed9\u53d8\u91cf\u7684\u4ee4\u724c\u3002 \u6b64\u4ee4\u724c\u5bf9\u4e8e\u60a8\u7684\u81ea\u5b9a\u4e49\u6d88\u606f\u901a\u9053\u662f\u552f\u4e00\u7684\uff0c\u53ef\u4ee5\u5728 Lightning \u6d88\u606f\u4e2d\u4f7f\u7528 \u670d\u52a1 API \u65b9\u6cd5\u3002\u8bed\u6cd5\u5f15\u7528\u5143\u6570\u636e\u7c7b\u578b\u7684\u81ea\u5b9a\u4e49\u5b9e\u4f8b\u3002\u540e\u7f00\u8868\u793a\u5b83\u662f\u81ea\u5b9a\u4e49\u7684\uff0c \u4f46\u8bf7\u6ce8\u610f\uff0c\u5b83\u4e0d\u662f\u81ea\u5b9a\u4e49\u5bf9\u8c61\u3002\u6709\u5173\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u521b\u5efa\u6d88\u606f\u901a\u9053\u3002<samp>{!$MessageChannel.SampleMessageChannel__c}SAMPLEMCSampleMessageChannel__cLightningMessageChannel__c<\/samp><\/p>\n\n\n\n<p>\u5982\u679c\u60a8\u7684\u7ec4\u7ec7\u5177\u6709\u547d\u540d\u7a7a\u95f4\uff0c\u8bf7\u4e0d\u8981\u5c06\u5176\u5305\u542b\u5728\u6d88\u606f\u901a\u9053\u8868\u8fbe\u5f0f\u4e2d\u3002\u4f8b\u5982 \u5982\u679c\u7ec4\u7ec7\u7684\u547d\u540d\u7a7a\u95f4\u662f MyNamespace\uff0c\u5219\u6d88\u606f\u901a\u9053\u8868\u8fbe\u5f0f\u4ecd\u4e3a \u3002<samp>&#8220;{!$MessageChannel.SampleMessageChannel__c}&#8221;<\/samp><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528\u5728\u7ec4\u7ec7\u5916\u90e8\u521b\u5efa\u7684\u6d88\u606f\u901a\u9053<\/h2>\n\n\n\n<p>\u8981\u4f7f\u7528\u6765\u81ea\u7ec4\u7ec7\u5916\u90e8\u7684\u5f00\u53d1\u4eba\u5458\u521b\u5efa\u7684\u5305\u7684\u6d88\u606f\u901a\u9053\uff0c\u8bf7\u53c2\u8003 \u4ed6\u4eec\u7528\u8bed\u6cd5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e0d\u662f\u60a8\u7684\u7ec4\u7ec7\u7684\u672c\u5730\u7528\u6237\uff0c\u5e76\u4e14\u6765\u81ea \u547d\u540d\u7a7a\u95f4\u4e3a SamplePackageNamespace \u7684\u5305\uff0c\u8bed\u6cd5\u4e3a .<samp>{!$MessageChannel.<var>Namespace_name__c<\/var>}<\/samp><samp>SampleMessageChannel<\/samp><samp>{$MessageChannel.SamplePackageNamespace__SampleMessageChannel__c}<\/samp><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u521b\u5efa\u6d88\u606f\u901a\u9053<\/strong><br>\u8981\u5728\u7ec4\u7ec7\u4e2d\u521b\u5efa Lightning \u6d88\u606f\u901a\u9053\uff0c\u8bf7\u4f7f\u7528 LightningMessageChannel \u5143\u6570\u636e\u7c7b\u578b\u3002<\/li>\n\n\n\n<li><strong>\u5728\u6d88\u606f\u901a\u9053<\/strong><br>\u4e0a\u53d1\u5e03 \u8981\u4ece Visualforce \u9875\u9762\u5728\u6d88\u606f\u901a\u9053\u4e0a\u53d1\u5e03\uff0c\u8bf7\u5728\u9875\u9762\u7684 JavaScript \u4ee3\u7801\u4e2d\u5305\u542b\u5168\u5c40\u53d8\u91cf\uff0c\u5e76\u7f16\u5199\u8c03\u7528 .<samp>$MessageChannelsforce.one.publish()<\/samp><\/li>\n\n\n\n<li>\u8ba2\u9605\u548c\u53d6\u6d88\u8ba2\u9605\u6d88\u606f\u901a\u9053 \u82e5\u8981\u8ba2\u9605\u548c<strong>\u53d6\u6d88\u8ba2\u9605\u6d88\u606f\u901a\u9053<\/strong><br>\uff0c\u8bf7\u4f7f\u7528 \u548c \u65b9\u6cd5\u3002<samp>sforce.one.subscribe()sforce.one.unsubscribe()<\/samp><\/li>\n\n\n\n<li><strong>\u6ce8\u610f\u4e8b\u9879\u548c\u9650\u5236<\/strong><br>\u5728 Visualforce \u4e2d\u4f7f\u7528 Lightning \u6d88\u606f\u670d\u52a1\u65f6\uff0c\u8bf7\u7262\u8bb0\u8fd9\u4e9b\u6ce8\u610f\u4e8b\u9879\u548c\u9650\u5236\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u521b\u5efa\u6d88\u606f\u901a\u9053<\/h2>\n\n\n\n<p>\u8981\u5728\u60a8\u7684\u7ec4\u7ec7\u4e2d\u521b\u5efa Lightning \u6d88\u606f\u901a\u9053\uff0c\u8bf7\u4f7f\u7528 LightningMessageChannel \u5143\u6570\u636e\u7c7b\u578b\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f<\/p>\n\n\n\n<p>\u8bf7\u53c2\u9605\u300a\u5143\u6570\u636e API \u5f00\u53d1\u4eba\u5458\u6307\u5357\u300b\u4e2d\u7684 LightningMessageChannel\uff08\u53ef\u4ee5\u662f \u5728\u53d1\u5e03\u9884\u89c8\u671f\u95f4\u5df2\u8fc7\u65f6\u6216\u4e0d\u53ef\u7528\uff09\u3002<\/p>\n\n\n\n<p>\u8981\u5c06 LightningMessageChannel \u90e8\u7f72\u5230\u60a8\u7684\u7ec4\u7ec7\u4e2d\uff0c\u8bf7\u521b\u5efa\u4e00\u4e2a SFDX \u9879\u76ee\u3002\u5305\u62ec XML&nbsp;force-app\/main\/default\/messageChannels\/&nbsp;\u76ee\u5f55\u4e2d\u7684\u5b9a\u4e49\u3002\u8fd9 LightningMessageChannel \u6587\u4ef6\u540d\u9075\u5faa .messageChannel-meta.xml \u683c\u5f0f\u3002\u8981\u5c06\u5176\u6dfb\u52a0\u5230\u4e34\u65f6\u7ec4\u7ec7\uff0c\u8bf7\u8fd0\u884c \u3002\u8981\u5c06\u5176\u6dfb\u52a0\u5230\u5176\u4ed6\u7c7b\u578b\u7684\u7ec4\u7ec7\uff0c \u4f8b\u5982\u6c99\u76d2\u6216 Developer Edition \u7ec4\u7ec7\uff0c\u8bf7\u8fd0\u884c .<var>messageChannelName<\/var><samp>sfdx force:source:push<\/samp><samp>sfdx force:source:deploy<\/samp><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5728\u6d88\u606f\u901a\u9053\u4e0a\u53d1\u5e03<\/h2>\n\n\n\n<p>\u8981\u4ece Visualforce \u9875\u9762\u5728\u6d88\u606f\u901a\u9053\u4e0a\u53d1\u5e03\uff0c\u8bf7\u5728\u9875\u9762\u7684 JavaScript \u4ee3\u7801\u4e2d\u5305\u542b\u5168\u5c40\u53d8\u91cf \u5e76\u7f16\u5199\u4e00\u4e2a\u8c03\u7528 .<\/p>\n\n\n\n<p><samp>$MessageChannel<\/samp><samp>sforce.one.publish()<\/samp><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f8b<\/h2>\n\n\n\n<p>github.com\/trailheadapps\/lwc-recipes\u00a0\u5b58\u50a8\u5e93\u4e2d\u7684\u9875\u9762\u6f14\u793a\u5982\u4f55\u53d1\u5e03 \u9009\u62e9\u8054\u7cfb\u4eba\u65f6\u5728 Lightning \u9875\u9762\u4e0a\u901a\u77e5\u8ba2\u9605\u8005\u7684\u6d88\u606f\u3002<\/p>\n\n\n\n<p><samp>lmsPublisherVisualforce<\/samp><\/p>\n\n\n\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u7ec3\u4e86 Visualforce \u9875\u9762\u6807\u8bb0\uff0c\u4ee5\u6f14\u793a\u5982\u4f55\u53d1\u5e03\u5230 \u5355\u51fb\u6309\u94ae\u65f6\u7684\u6d88\u606f\u901a\u9053\u3002<\/p>\n\n\n\n<p>\u5728\u9875\u9762\u7684 JavaScript \u4e2d\uff0c\u6211\u4eec\u9996\u5148\u83b7\u53d6\u5bf9\u81ea\u5b9a\u4e49 Lightning \u6d88\u606f\u901a\u9053\u7684\u5f15\u7528 \u4f7f\u7528\u516c\u5f0f\u8868\u8fbe\u5f0f \u3002\u6b64\u8868\u8fbe\u5f0f\u521b\u5efa\u4e00\u4e2a\u4ee4\u724c\uff0c\u8be5\u4ee4\u724c \u5bf9\u4e8e\u60a8\u7684\u6d88\u606f\u9891\u9053\u662f\u552f\u4e00\u7684\u3002\u7136\u540e\uff0c\u6211\u4eec\u5c06\u4ee4\u724c\u4f5c\u4e3a\u5b57\u7b26\u4e32\u5206\u914d\u7ed9\u53d8\u91cf \u3002<samp>{!$MessageChannel.SampleMessageChannel__c}<\/samp><samp>SAMPLEMC<\/samp><\/p>\n\n\n\n<p>\u8be5\u51fd\u6570\u5305\u542b\u4ee5\u4e0b\u6d88\u606f \u6211\u4eec\u60f3\u8981\u53d1\u5e03\u7684\u5185\u5bb9\u3002\u5728\u8fd9\u91cc\uff0c\u6d88\u606f\u662f\u503c\u4e3a \u201csome string\u201d \u548c \uff0c\u5176\u503c\u662f\u952e\u503c\u5bf9\u503c value\uff1a \u201csome value\u201d\u3002\u7136\u540e\u6211\u4eec\u8c03\u7528 Lightning \u6d88\u606f\u670d\u52a1 API \u7684\u65b9\u6cd5 \u5bf9\u8c61\u3002\u8be5\u51fd\u6570\u91c7\u7528\u4e24\u4e2a\u53c2\u6570\uff0c\u4e00\u4e2a\u5305\u542b\u6d88\u606f\u901a\u9053\u7684\u5b57\u7b26\u4e32 \u4ee4\u724c\u548c\u6d88\u606f\u8d1f\u8f7d\u3002<samp>handleClick()<\/samp><samp>recordId<\/samp><samp>recordData<\/samp><samp>publish()<\/samp><samp>sforce.one<\/samp><samp>publish()<\/samp><\/p>\n\n\n\n<p>\u5728\u9875\u9762\u6807\u8bb0\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u6309\u94ae\u5e76\u8c03\u7528\u5b83\u7684\u65b9\u6cd5\u3002<samp>handleClick()<\/samp><samp>onclick()<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;apex:page &gt;\n    &lt;script&gt;\n    \/\/ Load the MessageChannel token in a variable\n    var SAMPLEMC = \"{!$MessageChannel.SampleMessageChannel__c}\";\n    function handleClick() {\n        const payload = {\n            recordId: \"some string\",\n            recordData: {value: \"some value\"}\n        }\n        sforce.one.publish(SAMPLEMC, payload);\n      }\n    &lt;\/script&gt;\n    &lt;div&gt;\n    &lt;p&gt;Publish SampleMessageChannel&lt;\/p&gt;\n    &lt;button onclick=\"handleClick()\"&gt;Publish&lt;\/button&gt;\n    &lt;\/div&gt;\n&lt;\/apex:page&gt;<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u8ba2\u9605\u548c\u53d6\u6d88\u8ba2\u9605\u6d88\u606f\u901a\u9053<\/h2>\n\n\n\n<p>\u82e5\u8981\u8ba2\u9605\u548c\u53d6\u6d88\u8ba2\u9605\u6d88\u606f\u901a\u9053\uff0c\u8bf7\u4f7f\u7528 \u548c \u65b9\u6cd5\u3002<\/p>\n\n\n\n<p><samp>sforce.one.subscribe()<\/samp><samp>sforce.one.unsubscribe()<\/samp><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f8b<\/h2>\n\n\n\n<p>github.com\/trailheadapps\/lwc-recipes\u00a0\u5b58\u50a8\u5e93\u4e2d\u7684\u9875\u9762\u663e\u793a\u5982\u4f55\u8ba2\u9605\u548c\u53d6\u6d88\u8ba2\u9605\u6d88\u606f\u901a\u9053\u3002<\/p>\n\n\n\n<p><samp>lmsSubscriberVisualforceRemoting<\/samp><\/p>\n\n\n\n<p>\u4ee5\u4e0b\u793a\u4f8b\u662f\u201c\u5728\u6d88\u606f\u901a\u9053\u4e0a\u53d1\u5e03\u201d\u4e2d\u793a\u4f8b\u7684\u5ef6\u7eed\uff0c\u8be5\u793a\u4f8b\u5141\u8bb8\u60a8\u8ba2\u9605\u548c\u53d6\u6d88\u8ba2\u9605 \u4ece\u6d88\u606f\u901a\u9053\u4e2d\u5355\u51fb\u76f8\u5e94\u7684\u6309\u94ae\u3002\u5728 JavaScript \u4e2d\uff0c\u6211\u4eec \u5177\u6709 and \u65b9\u6cd5\uff0c\u5e76\u4f7f\u7528\u6d88\u606f\u8f93\u51fa\u586b\u5145<samp>subscribeMC()unsubscribeMC()onMCPublished()textarea<\/samp><\/p>\n\n\n\n<p>\u5c06\u81ea\u5b9a\u4e49\u6d88\u606f\u901a\u9053\u52a0\u8f7d\u5230\u53d8\u91cf \u4e2d\u3002\u5168\u5c40\u53d8\u91cf\u4e3a \u5173\u8054\u7684\u6d88\u606f\u901a\u9053\u3002\u5728 \u4e0b \uff0c \u6211\u4eec \u58f0\u660e \u4fdd\u5b58\u4ece\u8be5\u65b9\u6cd5\u8fd4\u56de\u7684 Subscription \u5bf9\u8c61\u3002<samp>$MessageChannel.SampleMessageChannel__c<\/samp><samp>SAMPLEMC<\/samp><samp>$MessageChannel<\/samp><samp>SAMPLEMC<\/samp><samp>subscriptionToMC<\/samp><samp>sforce.one.subscribe()<\/samp><\/p>\n\n\n\n<p>\u8be5\u65b9\u6cd5\u68c0\u67e5 \u8ba2\u9605\u5bf9\u8c61\u4e3a\u7a7a\u3002\u5982\u679c\u662f\uff0c\u5219\u8c03\u7528\u8be5\u65b9\u6cd5\u3002 \u6709\u4e24\u4e2a\u53c2\u6570\uff0c \u8ba2\u9605\u6d88\u606f\u901a\u9053\uff0c\u4ee5\u53ca\u5904\u7406\u6d88\u606f\u8f93\u51fa\u7684\u65b9\u6cd5\u3002<samp>subscribeMC()<\/samp><samp>sforce.one.subscribe()<\/samp><samp>sforce.one.subscribe()<\/samp><samp>onMCPublished()<\/samp>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7\u6d88\u606f\u901a\u9053\u7684\u901a\u4fe1\u53ea\u80fd\u5728 \u6d3b\u52a8\u5bfc\u822a\u9009\u9879\u5361\u3001\u6d3b\u52a8\u5bfc\u822a\u9879\u6216\u5b9e\u7528\u7a0b\u5e8f\u9879\u3002\u6548\u7528 \u9879\u76ee\u59cb\u7ec8\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\u3002\u5bfc\u822a\u9009\u9879\u5361\u6216\u9879\u76ee\u5728\u9009\u4e2d\u65f6\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\u3002 \u5bfc\u822a\u9009\u9879\u5361\u548c\u9879\u76ee\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6807\u51c6\u5bfc\u822a\u9009\u9879\u5361<\/li>\n\n\n\n<li>\u63a7\u5236\u53f0\u5bfc\u822a\u5de5\u4f5c\u533a\u9009\u9879\u5361<\/li>\n\n\n\n<li>\u63a7\u5236\u53f0\u5bfc\u822a\u5b50\u9009\u9879\u5361<\/li>\n\n\n\n<li>\u63a7\u5236\u53f0\u5bfc\u822a\u9879<\/li>\n<\/ul>\n\n\n\n<p>\u82e5\u8981\u4ece\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u4efb\u4f55\u4f4d\u7f6e\u63a5\u6536\u6d88\u606f\u901a\u9053\u4e0a\u7684\u6d88\u606f\uff0c\u8bf7\u4f7f\u7528\u8be5\u65b9\u6cd5\u7684\u53ef\u9009 \u7b2c\u56db\u4e2a\u53c2\u6570 .\u5c06 \u8bbe\u7f6e\u4e3a\u503c\u3002<\/p>\n\n\n\n<p><samp>sforce.one.subscribe()<\/samp><samp><var>subscriberOptions<\/var><\/samp><samp>scope<\/samp><samp><var>subscriberOptions<\/var><\/samp><samp>&#8220;APPLICATION&#8221;<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sforce.one.subscribe(<em>messageChannel<\/em>, <em>listener<\/em>, {scope: \"APPLICATION\"});<\/code><\/pre>\n\n\n\n<p>\u8be5\u65b9\u6cd5\u68c0\u67e5\u662f\u5426 \u6709\u4e00\u4e2a\u8ba2\u9605\u5bf9\u8c61\u3002\u5982\u679c\u662f\u8fd9\u6837\uff0c\u5b83\u5c06\u8c03\u7528 \u5e76\u4f20\u5165\u5bf9\u8c61\u3002\u7136\u540e\uff0c\u5b83\u6e05\u9664\u5bf9\u8c61\u3002<samp>unsubscribeMC()<\/samp><samp>sforce.one.unsubscribe()<\/samp><samp>subscriptionToMC<\/samp><samp>subscriptionToMC<\/samp><\/p>\n\n\n\n<p>\u8be5\u65b9\u6cd5\u5c06 \u6d88\u606f\u6709\u6548\u8d1f\u8f7d\u4ece JSON \u5bf9\u8c61\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002\u7136\u540e\uff0c\u5b83\u4f1a\u5728 ID \u4e2d\u663e\u793a\u6d88\u606f\u3002<samp>onMCPublished()<\/samp><samp>textarea<\/samp><samp>MCMessageTextArea<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;apex:page &gt;\n    &lt;div&gt;\n        &lt;p&gt;Subscribe to SampleMessageChannel &lt;\/p&gt;\n        &lt;button onclick=\"subscribeMC()\"&gt;Subscribe&lt;\/button&gt;\n        &lt;p&gt;Unsubscribe from subscription&lt;\/p&gt;\n        &lt;button onclick=\"unsubscribeMC()\"&gt;Unsubscribe&lt;\/button&gt;\n        &lt;br\/&gt;\n        &lt;br\/&gt;\n        &lt;p&gt;Received message:&lt;\/p&gt;\n    &lt;textarea id=\"MCMessageTextArea\" rows=\"10\" style=\"disabled:true;resize:none;width:100%;\"\/&gt;\n    &lt;\/div&gt;\n\n    &lt;script&gt;\n        \/\/ Load the MessageChannel token in a variable\n        var SAMPLEMC = \"{!$MessageChannel.SampleMessageChannel__c}\";\n        var subscriptionToMC;\n\n        function onMCPublished(message) {\n            var textArea = document.querySelector(\"#MCMessageTextArea\");\n            textArea.innerHTML = message ? JSON.stringify(message, null, '\\t') : 'no message payload';\n        }\n\n        function subscribeMC() {\n            if (!subscriptionToMC) {\n                subscriptionToMC = sforce.one.subscribe(SAMPLEMC, onMCPublished);\n            }\n        }\n\n        function unsubscribeMC() {\n            if (subscriptionToMC) {\n                sforce.one.unsubscribe(subscriptionToMC);\n                subscriptionToMC = null;\n            }\n        }\n    &lt;\/script&gt;\n\n&lt;\/apex:page&gt;<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u6ce8\u610f\u4e8b\u9879\u548c\u9650\u5236<\/h2>\n\n\n\n<p>\u5728\u4f7f\u7528 Lightning \u6d88\u606f\u65f6\uff0c\u8bf7\u7262\u8bb0\u8fd9\u4e9b\u6ce8\u610f\u4e8b\u9879\u548c\u9650\u5236 Visualforce \u4e2d\u7684\u670d\u52a1\u3002\u8003\u8651\u95ea\u7535\u6d88\u606f\u670d\u52a1\u4e0d\u9002\u7528\u4e8e \u5728 Chatter \u4e2d\u52a0\u8f7d\u9875\u9762\u65f6\u7684 Visualforce \u5e93 \u4f7f\u7528 .\u8bf7\u6539\u7528\u672c\u673a Lightning Publisher\u3002<samp>sforce.one&lt;chatter:feed showPublisher=&#8221;true&#8221;\/><\/samp>Lightning \u6d88\u606f\u670d\u52a1\u5728 Lightning \u4e2d\u5305\u542b\u7684 Visualforce \u9875\u9762\u4e2d\u4e0d\u8d77\u4f5c\u7528 \u901a\u8fc7 iframe\uff08\u5305\u62ec \u3001 \u548c\u6807\u51c6 HTML \u6807\u8bb0\uff09\u8fdb\u884c\u4f53\u9a8c\u3002\u76f8\u53cd\uff0c\u8bf7\u901a\u8fc7 Lightning \u5e94\u7528\u7a0b\u5e8f\u751f\u6210\u5668\u6216\u4f5c\u4e3a\u5b9e\u7528\u7a0b\u5e8f\u680f\u9879\u76ee\u3002<samp>&lt;wave:dashboard>&lt;apex:iframe>&lt;iframe><\/samp>Visualforce \u4ec5\u652f\u6301 Lightning \u6d88\u606f\u901a\u9053\uff0c\u5176\u4e2d\u4e3a true\u3002\u6709\u5173 LightningMessageChannel \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u5143\u6570\u636e API \u5f00\u53d1\u4eba\u5458\u6307\u5357\u3002<samp>isExposed<\/samp>\u95ea\u7535\u6d88\u606f\u670d\u52a1\u5728 Salesforce Classic \u4e2d\u6216\u9884\u89c8 Visualforce \u65f6\u4e0d\u8d77\u4f5c\u7528 \u4ece\u8bbe\u7f6e\u3002\u5c40\u9650\u6027\u95ea\u7535\u6d88\u606f\u670d\u52a1\u4ec5\u652f\u6301\u8fd9\u4e9b \u7ecf\u9a8c\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lightning Experience \u6807\u51c6\u5bfc\u822a<\/li>\n\n\n\n<li>Lightning Experience \u63a7\u5236\u53f0\u5bfc\u822a<\/li>\n\n\n\n<li>\u9002\u7528\u4e8e Aura \u548c Lightning Web \u7ec4\u4ef6\u7684 Salesforce \u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f46\u4e0d\u9002\u7528\u4e8e Visualforce \u9875\u9762<\/li>\n\n\n\n<li>Experience Builder \u7ad9\u70b9\u4e2d\u4f7f\u7528\u7684 Lightning \u7ec4\u4ef6\u3002\u5bf9 Experience Builder \u7684\u652f\u6301 \u7f51\u7ad9\u662f\u6d4b\u8bd5\u7248\u3002\u6ce8\u610f\u95ea\u7535\u6d88\u606f\u670d\u52a1 \u4e0d \u5728 Experience \u4e2d\u4f7f\u7528 Salesforce \u9009\u9879\u5361 + Visualforce \u7ad9\u70b9\u6216 Visualforce \u9875\u9762 \u5efa\u8bbe\u8005\u7f51\u7ad9\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 Lightning \u6d88\u606f\u670d\u52a1\u5728 Lightning \u9875\u9762\u5185\u7684 DOM \u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u3002 \u5728\u540c\u4e00 Lightning \u9875\u9762\u4e2d\u5d4c\u5165\u7684 Visualforce \u9875\u9762\u3001Aura \u7ec4\u4ef6\u548c Lightning Web \u7ec4\u4ef6\uff0c\u5305\u62ec\u5b9e\u7528\u7a0b\u5e8f\u680f\u4e2d\u7684\u7ec4\u4ef6\u548c\u5f39\u51fa\u5f0f\u5b9e\u7528\u7a0b\u5e8f\u3002\u9009\u62e9 \u7ec4\u4ef6\u662f\u8ba2\u9605\u6765\u81ea\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u6d88\u606f\uff0c\u8fd8\u662f\u4ec5\u8ba2\u9605\u6765\u81ea\u6d3b\u52a8\u5e94\u7528\u7a0b\u5e8f\u7684\u6d88\u606f \u9762\u79ef\u3002<\/p>\n","protected":false},"author":1,"featured_media":4154,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[271],"tags":[298],"class_list":["post-4153","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-visualforce-","tag--lightning--dom-"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - 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