如何能将json字符串和一些其他参数通过一个ajax传到后台？ 如何使用ajax将json传入后台数据
\u5982\u4f55\u80fd\u5c06json\u5b57\u7b26\u4e32\u548c\u4e00\u4e9b\u5176\u4ed6\u53c2\u6570\u901a\u8fc7\u4e00\u4e2aajax\u4f20\u5230\u540e\u53f0\uff1f\u53ef\u4ee5\u5c06\u591a\u4e2a\u540cname\u5c5e\u6027\u63a7\u4ef6\u7684\u503c\u7ec4\u5408\u6210\u4e00\u4e2ajson\u6570\u7ec4\u6216\u6570\u7ec4\u5b57\u7b26\u4e32\uff0c\u4f20\u5230java\u540e\u53f0\u540e\u518d\u5e8f\u5217\u5316\u6210json\u6570\u7ec4\uff0c\u53d6\u51fa\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u6d4b\u8bd5\u4ee3\u7801\uff1a
$("#submit").click(function () {
//\u5c06\u591a\u4e2a\u540cname\u7684\u503c\u7ec4\u6210\u4e00\u4e2ajson\u6570\u7ec4\u5b57\u7b26\u4e32
var jsondata = "[";
$("[name=test]").each(function () {
jsondata += '{"value":"' + this.value + '"},';
});
//\u53bb\u6389\u6700\u540e\u4e00\u4e2a","
var reg = /,$/gi;
jsondata = jsondata.replace(reg, "");
jsondata += "]";
alert(jsondata);
//ajax\u63d0\u4ea4\u6570\u636e
$.post("test.action", { "test": jsondata }, function (result) { alert(result) });
});
\u9996\u5148\u91c7\u7528jquery\u5185\u90e8\u5c01\u88c5\u597d\u7684\u65b9\u6cd5\u662f\u6bd4\u8f83\u7b80\u5355\u7684\uff0c\u6211\u4eec\u53ea\u9700\u505a\u7684\u5c31\u662f\u4fee\u6539\u91cc\u9762\u7684\u4e00\u4e9b\u914d\u7f6e\uff1a
\u4ee5\u4e0b\u4ee3\u7801\u662f\u5bf9$.ajax()\u7684\u89e3\u6790\uff1a
$.ajax({
type: "POST", //\u63d0\u4ea4\u65b9\u5f0f
contentType: "application/json; charset=utf-8", //\u5185\u5bb9\u7c7b\u578b
dataType: "json", //\u7c7b\u578b
url: "\u524d\u53f0\u5730\u5740/\u540e\u53f0\u65b9\u6cd5", //\u63d0\u4ea4\u7684\u9875\u9762\uff0c\u65b9\u6cd5\u540d
data: "parameter", //\u53c2\u6570\uff0c\u5982\u679c\u6ca1\u6709\uff0c\u53ef\u4ee5\u4e3anull
success: function (data) { //\u5982\u679c\u6267\u884c\u6210\u529f\uff0c\u90a3\u4e48\u6267\u884c\u6b64\u65b9\u6cd5
alert(data.d); //\u7528data.d\u6765\u83b7\u53d6\u540e\u53f0\u4f20\u8fc7\u6765\u7684json\u8bed\u53e5\uff0c\u6216\u8005\u662f\u5355\u7eaf\u7684\u8bed\u53e5
},
error: function (err) { //\u5982\u679c\u6267\u884c\u4e0d\u6210\u529f\uff0c\u90a3\u4e48\u6267\u884c\u6b64\u65b9\u6cd5
alert("err:" + err);
}
});
\u5f53\u7136\u6211\u521d\u6b21\u5b66\u4e60\u7684\u65f6\u5019\uff0c\u770b\u5230\u8fd9\u4e9b\u4e5f\u662f\u6709\u4e9b\u832b\u7136\u7684\uff0c\u56e0\u4e3a\u4e0d\u77e5\u9053\u5230\u5982\u4f55\u624d\u80fd\u5c06\u5176\u7528\u5230\u81ea\u5df1\u7684\u7a0b\u5e8f\u91cc\u9762\uff0c\u6240\u4ee5\u5c31\u5199\u4e86\u4e00\u4e2a\u5c0f\u7684\u68c0\u6d4b\u7f51\u9875\u6765\u6d4b\u8bd5\u4e00\u4e0b\uff0c\u5982\u679c\u4f60\u6d4b\u8bd5\u7684\u65f6\u5019\u6ca1\u6709\u8fbe\u5230\u4f60\u60f3\u8981\u7684\u7ed3\u679c\uff0c\u90a3\u4e48\u5e0c\u671b\u4f60\u56de\u5934\u770b\u4e00\u4e0b\uff0c\u524d\u53f0\u662f\u5426\u5199\u7684\u6709\u95ee\u9898\uff0c\u6216\u8005\u662f\u53c2\u8003\u4e00\u4e0b\u4e0b\u6587\u4e2d\u7684\u6ce8\u610f\u4e8b\u9879\u5427\u3002
\u524d\u53f0\u4ee3\u7801 \uff1a
\u6d4b\u8bd5ajax
function testAjax() {
$.ajax({
type: "POST",
contentType: "application/json; charset=utf-8",
dataType: "json",
url: "number3.aspx/GetJson",//\u4f20\u5165\u540e\u53f0\u7684\u5730\u5740/\u65b9\u6cd5
data: "{'RID':'123'}",//\u53c2\u6570\uff0c\u8fd9\u91cc\u662f\u4e00\u4e2ajson\u8bed\u53e5
success: function (data) {
var result = data.d;
alert(result);
},
error: function (err) {
alert("err:" + err);
}
});
}
\u7528button\u6d4b\u8bd5ajax
\u540e\u53f0\u4ee3\u7801\uff1a
using System;
using System.Web.Services;
namespace ajax1
{
public partial class number3 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
[WebMethod]
public static string GetJson(string RID)
{
return "{'ID':'" + RID + "'}";
}
}
}
\u540e\u53f0\u4ee3\u7801\u4e2d\u4ee5\u9ec4\u8272\u4e3a\u80cc\u666f\u7684\u5c31\u662f\u6211\u4eec\u8981\u6ce8\u610f\u7684\u5730\u65b9\uff1a
1.using System.Web.Services;\u5bf9\u5e94\u4e0b\u9762\u7684[WebMethod]\u8fd9\u4e2a\u4e00\u5b9a\u8981\u52a0\u4e0a\u7684\u3002
2.\u540e\u53f0\u5199\u7684\u65b9\u6cd5\u4e00\u5b9a\u662f\u516c\u5171\u9759\u6001\u7684\u5373\u4e00\u5b9a\u662fpublic static\u5f00\u5934\u7684\u3002
3.\u53c2\u6570\u4e00\u5b9a\u662f\u524d\u53f0\u7684data\u6240\u4f20\u53c2\u6570\u7684\u952e
\u524d\u53f0\u4e2d\u8981\u6ce8\u610f\u7684\u5730\u65b9\uff1a
1.\u5927\u5bb6\u5e94\u8be5\u4f1a\u6ce8\u610f\u5230\uff0c\u524d\u53f0\u6211\u7528\u7684\u662f\u4e24\u4e2abutton\u6765\u6d4b\u8bd5\uff0c\u4f46\u662f\u7b2c\u4e00\u4e2a\u662f\u4e0d\u884c\u7684\uff0c\u9875\u9762\u4f1a\u5237\u65b0\u4e00\u4e0b\uff0c\u5176\u5b9e\u8fd9\u90fd\u662f<form
id="form1"
runat="server">\u8fd9\u884c\u4ee3\u7801\u7684\u95ee\u9898\uff0c\u6807\u7b7e\u4f1a\u63d0\u4ea4\u672c\u9875\u9762\u7684\u5185\u5bb9\uff0c\u4ece\u800c\u5bfc\u81f4\u5f02\u6b65\u5237\u65b0\u5931\u8d25\u3002\u6240\u4ee5\u5efa\u8bae\u5927\u5bb6\u4e0d\u8981\u7528\u6807\u7b7e\u3002\u4f46\u662f\u5982\u679c\u4e0d\u5f97\u4e0d\u7528\u7684\u8bdd\uff0c\u89e3\u51b3\u529e\u6cd5\u8fd8\u662f\u6709\u7684\uff0c\u76ee\u524d\u6211\u77e5\u9053\u7684\u53ea\u6709\u4e24\u4e2a\uff1a
\u3000\u3000\u2460\uff1a\u5c06<form id="form1"
runat="server">\u4ee3\u7801\u53bb\u6389\uff0c\u5f53\u7136\u5982\u679c\u672c\u9875\u9762\u6709\u8981\u63d0\u4ea4\u7684\u5185\u5bb9\u5c31\u4f1a\u5f88\u9ebb\u70e6\u4e86
\u3000\u3000\u2461\uff1a\u5c06<button onclick="aaa();return
false;">\u7528button\u6d4b\u8bd5ajax\u4ee3\u7801\u6539\u4e3a\uff1a<button
onclick="aaa();return false;">\u7528button\u6d4b\u8bd5ajax
2\u3002\u524d\u53f0\u7684\u6d4b\u8bd5\u7ed3\u679c\u662f\uff1a
\u90a3\u4e48\u6211\u4eec\u5982\u4f55\u6765\u53ea\u83b7\u53d6json\u540e\u9762\u7684\u503c\uff0c\u800c\u4e0d\u662f\u6574\u4e2ajson\u8bed\u53e5\u5462\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06json\u8bed\u53e5\u5bf9\u8c61\u5316\uff0c\u7136\u540e\u6839\u636e\u952e\u6765\u53d6\u5f97\u5bf9\u5e94\u7684\u503c\uff1a\u524d\u53f0\u7684testAjax()\u7684\u65b9\u6cd5\u6539\u4e3a\uff1a
function testAjax() {
$.ajax({
type: "POST",
contentType: "application/json; charset=utf-8",
dataType: "json",
url: "number3.aspx/GetJson",
data: "{'RID':'123'}",
success: function (data) {
var result = eval("(" + data.d + ")");//\u8fd9\u53e5\u8bdd\u662f\u5c06json\u8bed\u53e5\u5bf9\u8c61\u5316
alert(result.ID);
},
error: function (err) {
alert("err:" + err);
}
});
}
\u6b64\u65f6\u7ed3\u679c\u4e3a\uff1a
\u4ee5\u4e0a\u5c31\u662f\u521d\u6b65\u5b66\u4e60json\u5f53\u65f6\u9047\u5230\u7684\u95ee\u9898\u6240\u7559\u4e0b\u7684\u7ecf\u9a8c\u3002\u540c\u65f6\u6211\u60f3\u9a8c\u8bc1\u4e00\u4e0b\u662f\u5426\u80fd\u591f\u5728\u540e\u53f0\u91cd\u8f7d\u65b9\u6cd5\u6765\u5b9e\u73b0\u6839\u636e\u524d\u53f0\u7684data\u662f\u5426\u6709\u53c2\u6570\u6765\u5224\u65ad\u8981\u6267\u884c\u7684\u65b9\u6cd5\uff0c\u6240\u4ee5\u6211\u5c06\u4ee3\u7801\u6539\u52a8\u4e86\u4e00\u4e0b\uff1a
\u6539\u52a8\u540e\u7684\u524d\u53f0\u4ee3\u7801
\u6d4b\u8bd5ajax
function testAjax() {
$.ajax({
type: "POST",
contentType: "application/json; charset=utf-8",
dataType: "json",
url: "number3.aspx/GetJson",
data: "{'RID':'123'}",
success: function (data) {
var result = eval("(" + data.d + ")");
alert(result.ID);
},
error: function (err) {
alert("err:" + err);
}
});
}
function aaa() {
$.ajax({
type: "POST",
contentType: "application/json; charset=utf-8",
dataType: "json",
url: "number3.aspx/GetJson",
success: function (data) {
alert(data.d);
},
error: function (err) {
alert("err:" + err);
}
});
}
\u7528button\u6d4b\u8bd5ajax
\u6539\u52a8\u540e\u7684\u540e\u53f0\u4ee3\u7801
using System;
using System.Web.Services;
namespace ajax1
{
public partial class number3 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
[WebMethod]
public static string GetJson()
{
return "hello ajax";
}
[WebMethod]
public static string GetJson(string RID)
{
return "{'ID':'" + RID + "'}";
}
}
}
\u6240\u5f97\u7684\u6548\u679c\u4e3a\uff1a
\u7b2c\u4e00\u4e2a\u548c\u7b2c\u4e8c\u4e2a\u6309\u94ae\u70b9\u51fb\u540e\u6548\u679c\u4e3a\uff1a
\u7b2c\u4e09\u4e2a\u6309\u94ae\u70b9\u51fb\u540e\u6548\u679c\u4e3a\uff1a
\u6240\u4ee5\u6211\u7684\u521d\u6b65\u7ed3\u8bba\u4e3a\uff1a\u540e\u53f0\u7684\u91cd\u6784\u51fd\u6570\u662f\u4e0d\u6210\u529f\u7684\uff0c\u5982\u679c\u6709\u7684\u91cd\u6784\u53c2\u6570\u7684\u8bdd\uff0c\u53ea\u4f1a\u6267\u884c\u5e26\u53c2\u6570\u7684\uff0c\u800c\u4e0d\u4f1a\u6267\u884c\u90a3\u4e2a\u4e0d\u5e26\u53c2\u6570\u7684\u3002\u73b0\u5728\u8fd8\u4e0d\u662f\u592a\u660e\u767d\u4e3a\u4ec0\u4e48\u4f1a\u8fd9\u6837\uff0c\u6240\u4ee5\u5e0c\u671b\u660e\u767d\u539f\u7406\u7684\u5206\u4eab\u4e00\u4e0b\u81ea\u5df1\u7684\u89c2\u70b9\u3002\u5f53\u7136\u8fd9\u53ea\u662f\u4e2a\u4eba\u89c2\u70b9\uff0c\u5982\u82e5\u6709\u8bef\uff0c\u671b\u8bf7\u6307\u6b63\u3002
$.ajax({
async: false,
type: 'Post',
url: '../Common/GetSYQMessage.ashx',
data: {
'year': encodeURIComponent($("#year").val()),
'DKBH': encodeURIComponent($("#DKBH").val())
},
dataType: 'json',
success: function (response) {
var d = eval(response);
var str = "";
console.log(d);
if (d.result == 's' && d.Number != "") {//获取的数据
$("#hidNumber").val(d.Number);
var BGCS = d.BGCS == "0" ? "无" : d.BGCS+"次";
var dt = eval(d.data);
console.log(dt);
AddHtml(dt,BGCS);
}
else {
if (d.data != "") {
MsgWarn(d.data, '2', '系统信息');
}
}
}
});
1，知道后端接口地址
2，跟后端确认相应的字段名
3，ajax通过json格式发送就ok了。
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绛旓細娴忚鍣ㄦ敮鎸佺殑杞崲鏂瑰紡娴忚鍣細Javascript鏀寔鐨勮浆鎹㈡柟寮忥細eval((+jsonstr+));//鍙互灏唈son瀛楃涓杞崲鎴恓son瀵硅薄,娉ㄦ剰闇瑕佸湪json瀛楃澶栧寘瑁逛竴瀵瑰皬鎷彿娉細ie8(鍏煎妯″紡),ie7鍜宨e6涔熷彲浠ヤ娇鐢╡val()灏嗗瓧绗︿覆杞负JSON瀵硅薄锛屼絾涓嶆帹鑽愯繖浜涙柟寮忥紝杩欑鏂瑰紡涓嶅畨鍏╡val浼氭墽琛json涓涓殑琛ㄨ揪寮忋侸SON鐨勮浆鎹㈡柟寮忔彁渚...
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绛旓細1銆佷娇鐢↗ackson搴擄細import com.fasterxml.jackson.databind.JsonNode;import com.fasterxml.jackson.databind.ObjectMapper;public class Main { public static void main(String[] args) throws Exception { // JSON瀛楃涓 String jsonString = "{\"name\":\"John\",\"...
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