first commit

历届学生/18课程/class18_2/项目/上课项目/uniappstudy/common/http/index.js

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+import config from "@/common/config";
+
+export default class Http {
+
+  static http;
+
+  static singleton () {
+    if (this.http instanceof this) {
+      return this.http;
+    } else {
+      this.http = new this;
+      return this.http;
+    }
+  }
+
+  get(url = "", data = {}, header = {}) {
+    this.loading();
+    return new Promise((succ, error) => {
+      uni.request({
+        url: config.BaseUrl + url,
+        data: data,
+        method: 'GET',
+        header: Object.assign(
+          header,
+          {
+            token: localStorage.getItem("token")
+          }
+        ),
+        success: (res) => {
+          succ(this.StateProcessing(res.data))
+        },
+        fail: (err) => {
+          throw new Error(err)
+        }
+      });
+    })
+  }
+
+
+  post(url = "", data = {}, header = {}) {
+    this.loading();
+    return new Promise((succ, error) => {
+      uni.request({
+        url: config.BaseUrl + url,
+        data: data,
+        method: 'POST',
+        header: Object.assign(
+          header,
+          {
+            token: localStorage.getItem("token")
+          }
+        ),
+        success: (res) => {
+          succ(this.StateProcessing(res.data))
+        },
+        fail: (err) => {
+          throw new Error(err)
+        }
+      });
+    })
+  }
+
+  /**
+   * 加载进度条
+   */
+  loading() {
+    uni.showLoading({
+      title: '加载中...'
+    });
+  }
+
+
+  /**
+   * 状态码处理
+   */
+  StateProcessing(data) {
+    uni.hideLoading();
+    switch (data.status) {
+      case 200:
+        return data.result;
+        break;
+      case 404:
+        uni.showToast({
+          title: data.msg,
+          icon: 'none',
+          duration: 2000
+        });
+        throw new Error(data.msg);
+        break;
+    }
+  }
+
+
+}