门店号管理

src/main/java/com/kiisoo/ic/wx/controller/WechatController.java

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+package com.kiisoo.ic.wx.controller;
+
+import com.alibaba.fastjson.JSONObject;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.kiisoo.ic.base.entity.BasicConfigDO;
+import com.kiisoo.ic.base.mapper.BasicConfigDOMapper;
+import com.kiisoo.ic.common.BaseController;
+import com.kiisoo.ic.common.utils.httpClientUtil.HttpClientUtil;
+import com.kiisoo.ic.common.utils.httpClientUtil.HttpResult;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Controller
+@RequestMapping("/wechat")
+public class WechatController extends BaseController {
+
+
+    @Autowired
+    private BasicConfigDOMapper basicConfigDOMapper;
+
+
+    @RequestMapping("/openId")
+    @ResponseBody
+    public Map<String, Object> openId(String code) { // 小程序端获取的CODE
+        Map<String, Object> result = new HashMap<>();
+        result.put("code", 0);
+        try {
+            QueryWrapper<BasicConfigDO> baseParams1 = new QueryWrapper<>();
+            baseParams1.eq("code", "MINIPROGRAM_CONF");
+            baseParams1.eq("conf_key", "APPID");
+            BasicConfigDO basicConfigDO1 = basicConfigDOMapper.selectOne(baseParams1);
+            QueryWrapper<BasicConfigDO> baseParams2 = new QueryWrapper<>();
+            baseParams2.eq("code", "MINIPROGRAM_CONF");
+            baseParams2.eq("conf_key", "SECRET");
+            BasicConfigDO basicConfigDO2 = basicConfigDOMapper.selectOne(baseParams2);
+
+
+            boolean check = (StringUtils.isEmpty(code)) ? true : false;
+            if (check) {
+                throw new Exception("参数异常");
+            }
+            StringBuilder urlPath = new StringBuilder("https://api.weixin.qq.com/sns/jscode2session"); // 微信提供的API，这里最好也放在配置文件
+            urlPath.append(String.format("?appid=%s", basicConfigDO1.getConfValue()));
+            urlPath.append(String.format("&secret=%s", basicConfigDO2.getConfValue()));
+            urlPath.append(String.format("&js_code=%s", code));
+            urlPath.append(String.format("&grant_type=%s", "authorization_code")); // 固定值
+
+            HttpResult data = HttpClientUtil.httpGet(urlPath.toString());
+            //http返回参数
+            if (JSONObject.parseObject(data.getMessage()).get("errcode").equals("0")) {
+                String openid = JSONObject.parseObject(data.getMessage()).get("openid").toString();
+                String sessionKey = JSONObject.parseObject(data.getMessage()).get("session_key").toString();
+                String unionid = JSONObject.parseObject(data.getMessage()).get("unionid").toString();
+
+                result.put("openId", openid);
+                result.put("sessionKey", sessionKey);
+                result.put("unionid", unionid);
+            }
+            return data(result);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return fail();
+    }
+}