页面局部刷新功能_www.
    
      window.onload = function(){  
      document.getElementById("email").onblur = function(){  
          if(window.XMLHttpRequest){  
    http_request = new XMLHttpRequest();  
    if(http_request.overrideMimeType){ 
    http_request.overrideMimeType("text/xml");  
    }  
          }else if(window.ActiveXObject){  
    try{  
        http_request = new ActiveXObject("Msxml2.XMLHTTP");  
    }catch(e){  
        try{     
            http_request = new ActiveXObject("Microsoft.XMLHTTP");  
        }catch(e){}  
    }  
          }  
          if(!http_request){  
    window.alert("不能创建XMLHttpRequest对象实例！");  
    return false;  
          }  
          http_request.onreadystatechange = function(){  
    if(http_request.readyState == 4 &&  
        http_request.status == 200) {  
        document.getElementById("emailTip").innerHTML  
        =http_request.responseText;  
    }  
          };  
          http_request.open("GET", "email.jsp?email="+this.value, true);  
          http_request.send(null);  
          }  
      }  
       
         
         
   
   
   
   
         
   

 

jquery 页面局部刷新-www.
   
    
  function getOtherMessage(){  
      $.ajax({  
          type:"post",    
          url:"${pageContext.request.contextPath}/getOtherMessage.do",  
          success:function(msg){  
    $("#view").html(msg);  
          },  
          error:function(){  
    alert("wrong");  
          }  
      });  
 }