jqury ajax与c#后台交换数据 -ag凯发k8国际
-------------------------------------------jqury ajax调用后台方法-------------------------------------------
js:
function carstate(carid) {
$.ajax({
type: "post",
url: "showmap.aspx/getcarstate",
//方法传参的写法一定要对,str为形参的名字
data: "{'carid':'" carid "' }",
contenttype: "application/json; charset=utf-8",
datatype: "json",
success: function (data) {
//返回的数据用data.d获取内容
alert(data.d);
}
});
}
后台:
using system.web.script.services;
using system.web.services;
[webmethod]
public static string getcarstate(string carid)
{
return "hello world!";
}
-------------------------------------------jquery ajax提交表单-------------------------------------------
html:
js:
c#后台(.aspx.cs文件)
protected void page_load(object sender, eventargs e)
{
if (ispost)
loginuser();
}
private void loginuser()
{
if (islocalrequest && !isrepeatpost)
{
string loginname = getformstring("t_name");
string loginpwd = getformstring("t_pwd");
if (loginname == "")
responsetext(newtonsoft.json.jsonconvert.serializeobject(new { res = 0, msg = "请输入用户名!" }));
else if (loginpwd == "")
responsetext(newtonsoft.json.jsonconvert.serializeobject(new { res = 0, msg = "请输入密码!" }));
else
{
string str = common.utils.md5(loginpwd.tolower());
t_member model = memberdal.m_memberdal.getmodel(string.format(" mb_name = '{0}' and mb_pwd='{1}'", loginname, common.utils.md5(loginpwd.tolower())));
if (model != null)
{
if (model.mb_islock == 1)
responsetext(newtonsoft.json.jsonconvert.serializeobject(new { res = 0, msg = "无法登录,该账户被锁定!" }));
else
{
model.mb_logintime = datetime.now.tostring();
model.mb_loginip = request.userhostaddress;
memberdal.m_memberdal.update(model);
response.cookies[":member"].value = common.serialize.serializeobject(model);
response.cookies[":member"].expires.adddays(1);
responsetext(newtonsoft.json.jsonconvert.serializeobject(new { res = 1, msg = "登录验证通过", data = "/master.aspx" }));
}
}
else {
responsetext(newtonsoft.json.jsonconvert.serializeobject(new { res = 0, msg = "账号或密码不正确!" }));
}
}
}
}
总结
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