index.html

  
<html>
    <head> 
    <meta charset="UTF-8"> 
        <title>hello</title>  
    </head>  
    <body>  
        <div style="position:absolute;z-index:-1;width:100%;height:100%;"> 
        <img src="http://i9.qhimg.com/t01c2e2c84d0096eac5.jpg" width="100%" height="100%" />
    </div>
    <h1 style = "text-align : center;" >
    <font color = "#FFF00">
    大学生助学金预测系统
    </font> 
    </h1>
        
        <form style = "text-align : center;" action="/blog/123" method="POST">  
            <input type="text" name="bt_type" value="bt1" id="bttype" hidden>
            <input type="text" name="id" value=""/>  
            <input type="submit" name="search" value="查看" onclick=set_text("bt1")>  
            <input type="submit" name="commit" value="详细信息可视化" onclick=set_text("bt2")>   
        <script>  
            function set_text(text){            
                document.getElementById("bttype").setAttribute('value',text);
            }  
            function show_text(color){  
                alert(color);
            }
        </script> 
    </body>  

</html> 