WebApi的调用-1.前端调用(传递参数、接收参数)
前端调用
html
<div class="row">
<form id="queryForm">
<input name="id" type="text" />
<input name="name" type="text" />
</form>
</div>
<div class="row">
<div class="panel panel-warning">
<div class="panel-heading">Get</div>
<div class="panel-body">
<a class="btn btn-primary" id="btn1">无参</a>
<a class="btn btn-primary" id="btn2">1个参数</a>
<a class="btn btn-primary" id="btn3">2个参数</a>
<a class="btn btn-primary" id="btn4">实体参数1 <span class="label label-warning">[FromUri]</span></a>
<a class="btn btn-primary" id="btn5">实体参数2 <span class="label label-warning">(传递反序列化){ 参数: JSON.stringify(json) }</span></a>
</div>
</div>
<div class="panel panel-success">
<div class="panel-heading">post</div>
<div class="panel-body">
<p>
<div>
<input name="postsubmit" type="text"/>
</div>
</p>
<p>
<a class="btn btn-success" id="postbtn1">
1个参数
<span class="label label-danger">key为空</span>
</a>
<a class="btn btn-success" id="postbtn2">
1个json
<span class="label label-danger">(传递序列化)传递:JSON.stringify({ id: 1, pass: '123', name: "tangsansan" }),接收:实体,</span>
<span class="label label-warning">contentType: 'application/json'</span>
</a>
</p>
<p>
<a class="btn btn-success" id="postbtn5">
1个表单
<span class="label label-danger">(传递序列化)传递:JSON.stringify($('#queryForm').serialize()),接收:dynamic,</span>
<span class="label label-warning">contentType: 'application/json'</span>
</a>
<a class="btn btn-success" id="postbtn6">
1个表单
<span class="label label-danger">传递:$('#queryForm').serialize(),接收:实体</span>
</a>
</p>
<p>
<a class="btn btn-success" id="postbtn7">
1个复杂json
<span class="label label-danger">(传递序列化)传递:{ "User": "{ id: 1, pass: '123', name: "tangsansan" }", "Info": "info" },接收:JObject</span>
</a>
</p>
</div>
</div>
</div>
js
<script>
var $queryform = { id: 1, pass: '123', name: "tangsansan" }
$(function () {
//get传递无参
$('#btn1').on('click', function () {
$.ajax({
url: 'http://localhost:809/api/Values/GetList',
type: 'get',
success: function (data) {
alert(data)
}
});
});
//get传递1个参数
$('#btn2').on('click', function () {
$.ajax({
url: 'http://localhost:809/api/Values/Get',
type: 'get',
data: { id: 1 },
success: function (data) {
alert(data)
}
});
});
//get传递2个参数
$('#btn3').on('click', function () {
$.ajax({
url: 'http://localhost:809/api/Values/GetList',
type: 'get',
data: { id: 1, pass: 'aa' },
success: function (data) {
alert(data)
}
});
});
//get传递实体1 [fromurl]
$('#btn4').on('click', function () {
$.ajax({
url: 'http://localhost:809/api/Values/GetUserList',
type: 'get',
data: $queryform,
success: function (data) {
alert(data)
}
});
});
//get传递实体2 JSON.stringify字符串
$('#btn5').on('click', function () {
$.ajax({
url: 'http://localhost:809/api/Values/UserJsonList',
type: 'get',
data: { userJson: JSON.stringify($queryform) },
success: function (data) {
alert(data)
}
});
});
//post传递一个参数
$('#postbtn1').on('click', function () {
var $posttext = $('input[name=postsubmit]').val();
$.ajax({
url: 'http://localhost:809/api/Values/PostOne',
type: 'post',
//data: { "value": $posttext }, //key=value,但后台接收为空
data: { "": $posttext }, //key为空
success: function (data) {
alert(data);
}
});
});
//post传递json字符串
$('#postbtn2').on('click', function () {
$.ajax({
url: 'http://localhost:809/api/Values/PostTwoForm',
type: 'post',
contentType: 'application/json', //必须加上,声明为json
data: JSON.stringify($queryform),
success: function (data) {
alert(data);
}
});
});
//post传递一个表单
//通过dynamic动态类型能顺利得到多个参数,省掉了[FromBody]这个累赘,
//并且ajax参数的传递不用使用"无厘头"的{"":"value"}这种写法,
//有一点需要注意的是这里在ajax的请求里面需要加上参数类型为Json,即 contentType: 'application/json', 这个属性。
$('#postbtn5').on('click', function () {
$.ajax({
url: 'http://localhost:809/api/Values/PostOneForm',
type: 'post',
contentType: 'application/json', //必须加上,声明为json
data: JSON.stringify($('#queryForm').serialize()),
success: function (data) {
alert(data);
}
});
});
//post传递一个表单
$('#postbtn6').on('click', function () {
$.ajax({
url: 'http://localhost:809/api/Values/PostTwoForm',
type: 'post',
data: $('#queryForm').serialize(),
success: function (data) {
alert(data);
}
});
});
//post传递复杂json字符串
$('#postbtn7').on('click', function () {
$.ajax({
url: 'http://localhost:809/api/Values/PostThreeeForm',
type: 'post',
data: { "User": $queryform, "Info": "info" },
success: function (data) {
alert(data);
}
});
});
});
</script>
后台
public class ValuesController : ApiController
{
[HttpGet]
public IEnumerable<string> GetList()
{
return new string[] { "value1", "value2" };
}
[HttpGet]
public string Get(int id)
{
return "value";
}
[HttpGet]
public IEnumerable<string> GetList(int id, string pass)
{
return new string[] { id.ToString(), pass.ToString() };
}
//Get传参:实体,必须添加 FromUri
[HttpGet]
public string GetUserList([FromUri]User user)
{
return string.Format("id:{0},name:{1},pass:{2}", user.id.ToString(), user.name, user.pass);
}
[HttpGet]
public string UserJsonList(string userJson)
{
User user = JsonConvert.DeserializeObject<User>(userJson);
return string.Format("id:{0},name:{1},pass:{2}", user.id.ToString(), user.name, user.pass);
}
// POST api/values
[HttpPost]
public string PostOne([FromBody]string value)
{
return value;
}
//一个表单(一个json)
[HttpPost]
public string PostOneForm(dynamic value)
{
string user = Convert.ToString(value);
return user;
}
//一个表单(一个实体)
[HttpPost]
public string PostTwoForm(User user)
{
//Dictionary<string, object> objects = GetRequest();
return string.Format("id:{0},name:{1},pass:{2}", user.id.ToString(), user.name, user.pass);
}
[HttpPost]
public string PostThreeeForm(JObject jObject)
{
//Dictionary<string, object> objects = GetRequest();
string username = HttpContext.Current.Request.Form["User[name]"];
dynamic json = jObject;
JObject User = json.User;
User user = User.ToObject<User>();
//Dictionary<string, object> objects = GetRequest();
return string.Format("id:{0},name:{1},pass:{2}", user.id.ToString(), user.name, user.pass);
}
// PUT api/values/5
public void Put(int id, [FromBody]string value)
{
}
// DELETE api/values/5
public void Delete(int id)
{
}
/// <summary>
/// 获取所有参数
/// </summary>
/// <returns>
/// A System.Collections.Generic.Dictionary<string,object> value...
/// </returns>
public Dictionary<string, object> GetRequest()
{
var getrequest = HttpContext.Current.Request.Form;
Dictionary<string, object> dict = new Dictionary<string, object>();
for (int i = 0; i < getrequest.AllKeys.Length; i++)
{
dict.Add(getrequest.GetKey(i), getrequest[i]);
}
return dict;
}
}