import { Injectable } from '@angular/core';

import { HttpClient } from '@angular/common/http';

//首先安装md5模块  cnpm install ts-md5 --save

import {Md5} from "ts-md5/dist/md5";

@Injectable({

  providedIn: 'root'

})

export class CommonService {

  public config: any = {

    baseUrl: 'http://127.0.0.1:8080/'

  }

  constructor(public http: HttpClient) {

  }

  /*

  api/focus

  */

  ajaxGet(url:String) {

    var api = this.config.baseUrl + url;

    return new Promise((resove, reject) => {

      this.http.get(api).subscribe((response) => {

        resove(response);

      }, (error) => {

        reject(error);

      })

    })

  }

  /*

 api/focus

 */

  ajaxPost(url:String, json:Object) {

    var api = this.config.baseUrl + url;

    return new Promise((resove, reject) => {

      this.http.post(api, json).subscribe((response) => {

        resove(response);

      }, (error) => {

        reject(error);

      })

    })

  }

  /*

  生成签名

  var json={

    uid:123,

    salt:'afsafdafadf'

  }

  */

  sign(json){

    var tempArr=[];

    for(var attr in json){

      tempArr.push(attr);

    }

    tempArr=tempArr.sort();

    var tempStr='';

    for(var j=0;j<tempArr.length;j++){

      tempStr+=tempArr[j]+json[tempArr[j]]

    }

    // console.log(tempStr);

    return Md5.hashStr(tempStr);

  }

}

import { CommonService } from '../services/common.service';

constructor(public common:CommonService) {

}

    var api="api/doLogin";

        this.common.ajaxPost(api,{

          username:this.userinfo.username,

          password:this.userinfo.password,

        }).then((response:any)=>{

            console.log(response);

            if(response.success){

              //1、成功后处理业务逻辑

            }else{

              alert(response.message);     //toast

            }

        })