<apex:page standardController="Consum_Apply__c">
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<apex:includeScript value="{!URLFOR($Resource.qrcode)}"/>
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<apex:includeScript value="{!URLFOR($Resource.connection20)}"/>
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<apex:includeScript value="{!URLFOR($Resource.apex20)}"/>
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<div id="qrcode"></div>
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<script type="text/javascript">
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function createAttachment() {
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var div = document.getElementById("qrcode");
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var img = div.getElementsByTagName("img");
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var src = img[0].src;
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src = src.substring(22, src.length);
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sforce.connection.sessionId = '{!GETSESSIONID()}';
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// var record = sforce.connection.query("select id from Attachment where ParentId = \'{!Consum_Apply__c.Id}\' and name = \'QRCode-{!Consum_Apply__c.Name}\'");
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var record = sforce.connection.query("select ContentDocumentId from ContentDocumentLink where LinkedEntityId = \'{!Consum_Apply__c.Id}\'");
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// 不存在qr文件时，新生成一个，并连到申请单上
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if(record.size > 0){
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var records = record.getArray("records");
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var idList = records.map(obj => "'" + obj.ContentDocumentId + "'").join(",");
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record = sforce.connection.query("select Id from ContentDocument where Id in (" + idList + ") and Title = \'QRCode-{!Consum_Apply__c.Name}\'");
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console.log("select Id from ContentDocument where Id in (" + idList + ") and Title = \'QRCode-{!Consum_Apply__c.Name}\'");
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}
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if (record.size == 0) {
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// var atta = new sforce.SObject("Attachment");
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// atta.Name = "QRCode-{!Consum_Apply__c.Name}";
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// atta.ParentId = "{!Consum_Apply__c.Id}";
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// atta.Body = src;
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// var result = sforce.connection.create([atta]);
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var version = new sforce.SObject("ContentVersion");
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version.Title = "QRCode-{!Consum_Apply__c.Name}";
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version.VersionData = src;
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version.ContentLocation = "s";
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version.PathOnClient = "QRCode-{!Consum_Apply__c.Name}.jpg";
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var result = sforce.connection.create([version]);
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version = sforce.connection.query("select Id,ContentDocumentId from ContentVersion where Id = \'" + result[0].id + "\'");
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version = version.getArray("records");
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var link = new sforce.SObject("ContentDocumentLink");
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link.LinkedEntityId = "{!Consum_Apply__c.Id}";
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link.ContentDocumentId = version[0].ContentDocumentId;
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link.ShareType = 'I';
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link.Visibility = 'AllUsers';
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result = sforce.connection.create([link]);
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var es = new sforce.SObject("Consum_Apply__c");
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es.Id = "{!Consum_Apply__c.Id}";
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es.QRId__c = version[0].Id;
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result = sforce.connection.update([es]);
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}
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else {
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var records = record.getArray("records");
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var version = new sforce.SObject("ContentVersion");
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version = sforce.connection.query("select Id,ContentDocumentId from ContentVersion where ContentDocumentId = \'" + records[0].Id + "\'");
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version = version.getArray("records");
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// 存在qr时，绑到申请单上
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if(version[0].Id != "{!Consum_Apply__c.QRId__c}"){
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var es = new sforce.SObject("Consum_Apply__c");
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es.Id = "{!Consum_Apply__c.Id}";
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es.QRId__c = version[0].Id;
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result = sforce.connection.update([es]);
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}
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}
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}
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var qrcode = new QRCode(document.getElementById("qrcode"), {
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text: "{!Consum_Apply__c.Name}",
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width: 128,
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height: 128,
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colorDark : "#000000",
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colorLight : "#ffffff",
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correctLevel : QRCode.CorrectLevel.H
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});
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// qrcode生成後、Attachmentを作成
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setTimeout("createAttachment()", 1000);
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</script>
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</apex:page>
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