JS 点击复制Copy (share)

 1 
10 用户定义的代码区域
11 

 1 
 2 

1 
2 

1 
2 

 1 

 1 
 3 

 4 

 5 

 1  function copyToClipboard(txt) {
 2             if (window.clipboardData) {
 3                 window.clipboardData.clearData();
 4                 clipboardData.setData("Text", txt);
 5                 alert("复制成功！");
 6 
 7             } else if (navigator.userAgent.indexOf("Opera") != -1) {
 8                 window.location = txt;
 9             } else if (window.netscape) {
10                 try {
11                     netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
12                 } catch (e) {
13                     alert("被浏览器拒绝！\n请在浏览器地址栏输入'about:config'并回车\n然后将 'signed.applets.codebase_principal_support'设置为'true'");
14                 }
15                 var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
16                 if (!clip)
17                     return;
18                 var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
19                 if (!trans)
20                     return;
21                 trans.addDataFlavor("text/unicode");
22                 var str = new Object();
23                 var len = new Object();
24                 var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
25                 var copytext = txt;
26                 str.data = copytext;
27                 trans.setTransferData("text/unicode", str, copytext.length * 2);
28                 var clipid = Components.interfaces.nsIClipboard;
29                 if (!clip)
30                     return false;
31                 clip.setData(trans, null, clipid.kGlobalClipboard);
32                 alert("复制成功！");
33             }
34         }