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</a></h1> </div> </header> <main class="content" role="main"> <div class="leftbox"> <article class="post tag-uifont tag-webview"> <header class="post-header"> <footer class="tc"> <time class="post-date" datetime="2022-12-23">2022-12-23</time> </footer> </header> <section class="post-content"> <div class="contentbef"> </div> <h3>jQuery在父页面得到<iframe>引用子页面中的数据</h3> <div> <table><tbody><tr> <td class="blog_tag"> </td> <td class="blog_class"> </td> </tr></tbody></table> </div> <p><span style="font-size: 18px"><script src="jquery-1.3.1.js" type="text/javascript"></script></span></p> <p><span style="font-size: 18px"><script type="text/javascript"></span></p> <p><span style="font-size: 18px">//查找匹配元素内部所有的子节点（包括文本节点）,如果元素是一个iframe，则查找文档内容</span></p> <p><span style="font-size: 18px">//得到<iframe>引用子页面中元素</span></p> <p><span style="font-size: 18px">$(document).ready(function(){</span></p> <p><span style="font-size: 18px">//btn是父页面中的Button元素</span></p> <p><span style="font-size: 18px">$("#btn").click(function(){</span></p> <p><span style="font-size: 18px">//form1是子页面中的form元素</span></p> <p><span style="font-size: 18px">alert($("#iframe1").contents().find("#form1").html());</span></p> <p><span style="font-size: 18px">});</span></p> <p><span style="font-size: 18px">});</span></p> <p> </p> <p><span style="font-size: 18px">//调用父页面按钮能调用子页面中的按钮方法</span></p> <p><span style="font-size: 18px">$(document).ready(function(){</span></p> <p><span style="font-size: 18px">//btn父页面按钮</span></p> <p><span style="font-size: 18px">$("#btn").click(function(){</span></p> <p><span style="font-size: 18px">//btnSave是<iframe>引用的子页面按钮</span></p> <p><span style="font-size: 18px">$("#iframe1").contents().find("#btnSave").click();</span></p> <p><span style="font-size: 18px">});</span></p> <p><span style="font-size: 18px">});</span></p> <p> </p> <p><span style="font-size: 18px">//得到子页面中某个元素的值</span></p> <p><span style="font-size: 18px">$(document).ready(function(){</span></p> <p><span style="font-size: 18px">$("#btn").click(function(){</span></p> <p><span style="font-size: 18px">//select:eq(0)得到第一个select下拉列表中值</span></p> <p><span style="font-size: 18px">var txt=$("#iframe1").contents().find("#form1 div select:eq(0)").find("option:selected").text();</span></p> <p><span style="font-size: 18px">alert(txt);</span></p> <p><span style="font-size: 18px">});</span></p> <p><span style="font-size: 18px">});</span></p> <p><span style="font-size: 18px"></script></span></p> <p> </p> <p>在web开发中，经常会用到iframe，难免会碰到需要在父窗口中使用iframe中的元素、或者在iframe框架中使用父窗口的元素</p> <p>js</p> <p><strong>在父窗口中获取iframe中的元素 </strong></p> <p>1、</p> <p>格式：window.frames["iframe的name值"].document.getElementByIdx_x("iframe中控件的ID").click();</p> <p>实例：window.frames["ifm"].document.getElementByIdx_x("btnOk").click();</p> <p>2、</p> <p>格式：</p> <p>var obj=document.getElementByIdx_x("iframe的name").contentWindow;</p> <p>var ifmObj=obj.document.getElementByIdx_x("iframe中控件的ID");</p> <p>ifmObj.click();</p> <p>实例：</p> <p>var obj=document.getElementByIdx_x("ifm").contentWindow;</p> <p>var ifmObj=obj.document.getElementByIdx_x("btnOk");</p> <p>ifmObj.click();</p> <p><strong>在iframe中获取父窗口的元素</strong></p> <p>格式：window.parent.document.getElementByIdx_x("父窗口的元素ID").click();</p> <p>实例：window.parent.document.getElementByIdx_x("btnOk").click();</p> <p>jquery</p> <p><strong>在父窗口中获取iframe中的元素 </strong></p> <p>1、</p> <p>格式：$("#iframe的ID").contents().find("#iframe中的控件ID").click();//jquery 方法1</p> <p>实例：$("#ifm").contents().find("#btnOk").click();//jquery 方法1</p> <p>2、</p> <p>格式：$("#iframe中的控件ID",document.frames("frame的name").document).click();//jquery 方法2</p> <p>实例：$("#btnOk",document.frames("ifm").document).click();//jquery 方法2</p> <p><strong>在iframe中获取父窗口的元素</strong></p> <p>格式：$('#父窗口中的元素ID', parent.document).click();</p> <p>实例：$('#btnOk', parent.document).click();</p> <div style="margin-top: 10px;"> </div> </section> <footer class="post-footer"> <section class="author"> </section> </footer> <p class="mt10">相关文章：</p> 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