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  • 同一页面的不同Iframe获取数据

    公共父页面(主页面):

    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
        <base href="<%=basePath%>">
        
        <title>My JSP 'test.jsp' starting page</title>
        
        <meta http-equiv="pragma" content="no-cache">
        <meta http-equiv="cache-control" content="no-cache">
        <meta http-equiv="expires" content="0">    
        <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
        <meta http-equiv="description" content="This is my page">
        <!--
        <link rel="stylesheet" type="text/css" href="styles.css">
        -->
    
      </head>
      
      <body>
            <input id="test"/>
            <iframe id="iframe1" src="a.jsp"></iframe>
            <iframe id="iframe2" src="b.jsp"></iframe>
      </body>
    </html>

    a页面:

    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
        <base href="<%=basePath%>">
        
        <title>My JSP 'a.jsp' starting page</title>
        
        <meta http-equiv="pragma" content="no-cache">
        <meta http-equiv="cache-control" content="no-cache">
        <meta http-equiv="expires" content="0">    
        <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
        <meta http-equiv="description" content="This is my page">
        <!--
        <link rel="stylesheet" type="text/css" href="styles.css">
        -->
        <script type="text/javascript" src="js/jquery-1.9.1.min.js"></script>
      </head>
      
      <body>
            a页面
            
            <script type="text/javascript">
                $(function(){
                    var x = window.parent.document.getElementById("iframe2");  
                    var right = (x.contentWindow || x.contentDocument);  
                    if(right.document){  
                        right = right.document;  
                    }
                    alert(right.getElementById("testId").value);
                })
            </script>
      </body>
    </html>

    b页面:

    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
        <base href="<%=basePath%>">
        
        <title>My JSP 'b.jsp' starting page</title>
        
        <meta http-equiv="pragma" content="no-cache">
        <meta http-equiv="cache-control" content="no-cache">
        <meta http-equiv="expires" content="0">    
        <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
        <meta http-equiv="description" content="This is my page">
        <!--
        <link rel="stylesheet" type="text/css" href="styles.css">
        -->
        <script type="text/javascript" src="js/jquery-1.9.1.min.js"></script>
      </head>
      
      <body>
            b页面
            <input id="testId" type="text" value="我是b页面啊"/>
            
            <script type="text/javascript">
                $(function(){
                    var testVal = $("#testId").val();
                    window.parent.document.getElementById("test").value = testVal;
                })
            </script>
      </body>
    </html>

    效果图:

    1、页面刚加载时(a页面获取到b页面文本框内的值):

    2、页面加载完毕后(将b页面文本框的值赋值给父页面)

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  • 原文地址:https://www.cnblogs.com/henuyuxiang/p/7426875.html
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