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全面指南:用JavaScript实现复制功能的方法

最编程 2024-02-15 07:42:54
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3、直接复制 url <input type="button" name="anniu2" onClick='copyUrl()' value="复制URL地址"> <script language="javascript"> function copyUrl(){ var clipBoardContent=this.location.href; window.clipboardData.setData("Text",clipBoardContent); alert("复制成功!"); } </script> 4、点击文本框时,复制文本框里面的内容 <input onclick="oCopy(this)" value="你好.要copy的内容!"> <script language="javascript"> function oCopy(obj){ obj.select(); js=obj.createTextRange(); js.execCommand("Copy") alert("复制成功!"); } </script> 5、复制文本框或者隐藏域中的内容 <script language="javascript"> function CopyUrl(target){ target.value=myimg.value; target.select(); js=myimg.createTextRange(); js.execCommand("Copy"); alert("复制成功!"); } function AddImg(target){ target.value="[IMG]"+myimg.value+"[/ img]"; target.select(); js=target.createTextRange(); js.execCommand("Copy"); alert("复制成功!"); } </script> 6、复制 span 标记中的内容 <script type="text/javascript"></script> <script type="text/javascript"> function copyText(obj) { var rng = document.body.createTextRange(); rng.moveToElementText(obj); rng.scrollIntoView(); rng.select(); rng.execCommand("Copy"); rng.collapse(false); alert("复制成功!"); } </script> 7、浏览器兼容 copyToClipboard("拷贝内容") function copyToClipboard(txt) { if (window.clipboardData) { window.clipboardData.clearData(); clipboardData.setData("Text", txt); alert("复制成功!"); } else if (navigator.userAgent.indexOf("Opera") != -1) { window.location = txt; } else if (window.netscape) { try { netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); } catch (e) { 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'"); } var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard); if (!clip) return; var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable); if (!trans) return; trans.addDataFlavor("text/unicode"); var str = new Object(); var len = new Object(); var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString); var copytext = txt; str.data = copytext; trans.setTransferData("text/unicode", str, copytext.length * 2); var clipid = Components.interfaces.nsIClipboard; if (!clip) return false; clip.setData(trans, null, clipid.kGlobalClipboard); alert("复制成功!"); } } 8、兼容各大浏览器的复制代码(结合ZeroClipboard.js) <html> <head> <title>Zero Clipboard Test</title> <script type="text/javascript" src="ZeroClipboard.js"></script> <script language="JavaScript"> var clip = null; function $(id) { return document.getElementById(id); } function init() { clip = new ZeroClipboard.Client(); clip.setHandCursor(true); clip.addEventListener('mouseOver', function (client) { // update the text on mouse over clip.setText( $('fe_text').value ); }); clip.addEventListener('complete', function (client, text) { //debugstr("Copied text to clipboard: " + text ); alert("该地址已 经复制,你可以使用Ctrl+V 粘贴。"); }); clip.glue('clip_button', 'clip_container' ); } </script> </head> <body onLoad="init()"> <input id="fe_text" cols=50 rows=5 value=复制内容文本1 > <span id="clip_container"><span id="clip_button"><b>复制</b></span></span> </body> </html>

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