1.实现点击按钮,复制文本框中的的内容
<script type="text/javascript"> function copyurl2() { var url2=document.getelementbyid("biao1"); url2.select(); // 选择对象 document.execcommand("copy"); // 执行浏览器复制命令 alert("已复制好,可贴粘。"); } </script> <textarea cols="20" rows="10" id="biao1">用户定义的代码区域</textarea> <input type="button" onclick="copyurl2()" value="点击复制代码" />
2.复制专题地址和 url 地址,传给 qq/msn 上的好友
<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="content-type" content="text/html; charset=gb2312" /> <title>js复制代码</title> </head> <body> <p> <input type="button" name="anniu1" onclick='copytoclipboard()' value="复制专题地址和url地址,传给qq/msn上的好友"> <script language="javascript"> function copytoclipboard(){ var clipboardcontent=""; clipboardcontent+=document.title; clipboardcontent+=""; clipboardcontent+=this.location.href; window.clipboarddata.setdata("text",clipboardcontent); alert("复制成功,请粘贴到你的qq/msn上推荐给你的好友"); } </script>
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> <br /> <br /> <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!"); } }
js实现但击自动选中文本
<!doctype html public "-//w3c//dtd html 4.01 transitional//en" "http://www.w3.org/tr/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=gb2312"> <title>自动选择文本框/编辑框中的文字</title> <script type="text/javascript"> function myselect_txt(){ if (document.form1.title.focus){ document.form1.title.select();} } function myselect_txtarea(){ if (document.form1.content.focus){ document.form1.content.select();} } </script> </head> <body style="font-size:12px"> <table width="443" height="97" border="0" align="center" cellpadding="0" cellspacing="0" bgcolor="#f9f9f9"> <form name="form1"> <tr bgcolor="#214994"> <td height="25" colspan="2"><div align="center"><font color="#ffffff">新闻信息修改</font></div></td> </tr> <tr> <td width="80" height="28"><div align="right"><font color="#214994">新闻标题:</font></div></td> <td width="363"><input name="title" type="text" size="50" value="今日新闻头条" onclick="myselect_txt()"></td> </tr> <tr> <td height="20"><div align="right"><font color="#214994">新闻内容:</font></div></td> <td rowspan="2"><textarea name="content" cols="50" rows="6" onclick="myselect_txtarea()">今日,据相关方面报道,...</textarea></td> </tr> <tr> <td height="10"> </td> </tr> <tr> <td height="32" colspan="2"> <div align="center"> <input name="add" type="submit" id="add" value="添加"> <input name="submit" type="reset" value="重置"> </div></td> </tr> </form> </table> </body> </html>
当前最常用的最简洁还是这个,代码少,减少页面加载速度
function copytoclipboard(txt) { if(window.clipboarddata){ window.clipboarddata.cleardata(); window.clipboarddata.setdata("text", txt); alert('复制成功!') }else{ alert('请手动复制!') } }
到此介绍这么多了,希望大家多多关注,移动技术网以前的文章。
如对本文有疑问, 点击进行留言回复!!
荐 超强的入门文章 !!! JavaScript 速成计划第二篇(杂项详解:JS操作HTML 与 CSS、异常、事件)!
教你搭建 nodejs+mongoose+Graphql+Vue+Typescript 框架(上)
【Nginx】如何为已安装的Nginx动态添加模块?看完我懂了!!
网友评论