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一个简单的例子，通过HttpClient post数据来实现登陆nodejs的服务接口
var express = require(‘express‘),
bodyparser = require(‘body-parser‘);
var app = express();
app.use(bodyparser.json({limit:‘1mb‘}));
app.use(bodyparser.urlencoded({extended:true , limit:‘1mb‘}));
//登陆接口> http://127.0.0.1:3000/login
app.post(‘/login‘ , function(req,res){
var username = req.body.username;
var password = req.body.password;
console.log(‘username:‘+ username +"; password:"+password);
res.json({"message":‘welcome to login‘, ‘status‘:19999});
});
app.listen(3000, function(){
console.log(‘server is running‘);
});
private void _btnpost_Click_1(object sender, RoutedEventArgs e) { HttpClient client = new HttpClient();
var postdata = new List< KeyValuePair< string ,string >>();
postdata.Add(new KeyValuePair<string,string>("username","vison")); postdata.Add(new KeyValuePair<string,string>("password","vison1987")); HttpContent content = new FormUrlEncodedContent( postdata); client.PostAsync("http://127.0.0.1:3000/login",content).ContinueWith( (posttask) =>{ posttask.Result.Content.ReadAsStringAsync().ContinueWith((result) => { MessageBox.Show(result.Result.ToString()); //=>s输出json格式字符串{"message":‘welcome to login‘, ‘status‘:19999}
}); posttask.Result.EnsureSuccessStatusCode();
});
}
=+ 测试完毕
通过HttpClient实现跟Nodejs API接口的数据交互
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原文地址：http://www.cnblogs.com/visonme/p/4637764.html
