1 <body> 2 <form id="form1" runat="server"> 3 <div> 4 <textarea id="txtArea" cols="30" rows="3">我是一个文本，Hello World！</textarea><br /> 5 <input type="button" name="name" value="复制内容" onclick="copyToClipBoard('txtArea')" /> 6 </div> 7 </form> 8 </body>
JS：
1 <script type="text/javascript"> 2 //复制文本框 3 function copyToClipBoard(id) { 4 var code = $("#" + id).val(); 5 code = HTMLDeCode(code); 6 var tip = copyCode(code); 7 if (tip == 0) {//0 成功 1 失败 2 不支持 3 已经提示 8 var _open = tool.getCookieValue("open"); 9 if (_open == "0" && _global.security == "1") { 10 alert("您当前的安全级别为高，此时“完全公开”代码将无效\n若要继续选择“完全公开”代码，请将安全级设置为“中”。"); 11 } else { 12 tool.setCenter($("#box2"), 0); 13 $("#box2").fadeIn(); 14 } 15 } else if (tip == 1) { 16 alert("复制失败，请重试！"); 17 } else if (tip == 2) { 18 alert("您的浏览器不支持此功能"); 19 } 20 if (typeof pgvSendClick == "function") { 21 if (tool.getCookieValue("open") == 1) { 22 pgvSendClick({ hottag: 'R1JT.wp.index.security' }); 23 } else { 24 pgvSendClick({ hottag: 'R1JT.wp.index.open' }); 25 } 26 } 27 28 } 29 //去掉特殊符号 30 function HTMLDeCode(str) { 31 var s = ""; 32 if (str.length == 0) return ""; 33 s = str.replace(/&/g, "&") 34 .replace(/</g, "<") 35 .replace(/>/g, ">") 36 .replace(/ /g, " ") 37 .replace(/'/g, "'") 38 .replace(/"/g, "\""); 39 return s; 40 } 41 //执行复制 42 function copyCode(txt) {//0 成功 1 失败 2 不支持 3 已经提示 43 if (window.clipboardData) {//IE 44 window.clipboardData.clearData(); 45 window.clipboardData.setData("Text", txt); 46 return 0; 47 } else if (navigator.userAgent.indexOf("Opera") != -1) {//Opera 48 return 2; 49 } else if (window.netscape) {//火狐 50 try { 51 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 52 } catch (e) { 53 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'"); 54 return 3; 55 } 56 var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard); 57 if (!clip) 58 return 1; 59 var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable); 60 if (!trans) 61 return 1; 62 trans.addDataFlavor('text/unicode'); 63 var str = new Object(); 64 var len = new Object(); 65 var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString); 66 var copytext = txt; 67 str.data = copytext; 68 trans.setTransferData("text/unicode", str, copytext.length * 2); 69 var clipid = Components.interfaces.nsIClipboard; 70 if (!clip) 71 return 1; 72 clip.setData(trans, null, clipid.kGlobalClipboard); 73 return 0; 74 } else {//chrome ,safra 75 return 2; 76 } 77 } 78 </script>
IE 能正常复制，火狐 通过设置可以复制
谷歌，Opera 不支持，继续寻找好的解决办法！