一.jsp异步请求后台(servlet) 的url

RegisterServlet  与 web.xml 的路径一样

function checkPhoneNumber(){
var phonenumber=$("#phonenumber").val();
$.ajax({
type: "POST",
url: "${pageContext.request.contextPath}/RegisterServlet?handle=check&time=" + new Date().getTime(),
data: {phonenumber:phonenumber},
success: function(msg){
var biao = $("#biao_phonenumber");
//手机号已被使用返回1,否则返回 0;
if(phonenumber==""){
biao.html("<img src=\"../images/icons/cancel.png\">手机号不能为空,请输入手机号</img>");
}else if("1"==msg){
biao.html("<img src=\"../images/icons/cancel.png\">该手机号已被注册</img>");
}else if(!phonenumber==""){
phonenumberOk = true;
biao.html("<img src=\"../images/icons/accept.png\"></img>");
};
}
});
return phonenumberOk;
}

二.<a href=' '></a>    href 的路径

相对路径:<a href="../MainServlet?disofficeid=001"></a>

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" alt="" />

绝对路径:href="/项目名/html/test.jsp"

三。后台重定向的 url

response.sendRedirect("html/deptlist.jsp");

response.sendRedirect("html/admin/message.jsp");

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