微信小程序实战 (微信小程序后端Java接口开发demo)

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.2.6.RELEASE</version>
    <relativePath/> <!-- lookup parent from repository -->
</parent>
<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
        <scope>provided</scope>
    </dependency>
</dependencies>
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import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
/**
 * @Author : lizzu
 * @create 2022/10/8 22:34
 */
@RestController
@RequestMapping("v1/weChat/")
public class TestController {
    @GetMapping("/getInfo")
    public String getInfo(String userName){
        return "hello: "+userName;
    }
}
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"pages":[
    "pages/helloWord/helloWord",
    "pages/index/index",
    "pages/logs/logs"
  ],
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/**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    var that =this;
    this.getData(that);
  },
  /**
   * 接口调用
   */
  getData(that){
    wx.request({
      url: 'http://localhost:8080/v1/weChat/getInfo',      
      method:"GET",
      data:{
        userName: '李先生'
      },
      header:{
        'content-type': 'application/json'//json格式
      },
      success(res){//成功回调
        console.log(res.data);
        console.log(that);
        that.setData({
          result:res.data
        })
      }
    })
  },
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<!--pages/helloWord/helloWord.wxml-->
<text>pages/helloWord/helloWord.wxml</text>
<view>收到后台响应数据：{{result}}</view>
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每个微信小程序需要事先设置通讯域名，小程序**只可以跟指定的域名进行网络通信**。
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