XiaoETech_app/pages/login.vue

<template>
  <view class="normal-login-container">
    <view class="logo-content align-center justify-center flex">
      <image
        style="width: 100rpx; height: 100rpx"
        :src="globalConfig.appInfo.logo"
        mode="widthFix"
      >
      </image>
      <text class="title">小鹅通登录</text>
    </view>
    <view class="login-form-content">
      <view class="input-item flex align-center">
        <view class="iconfont icon-user icon"></view>
        <input
          v-model="loginForm.username"
          class="input"
          type="text"
          placeholder="请输入账号"
          maxlength="30"
        />
      </view>
      <view class="input-item flex align-center">
        <view class="iconfont icon-password icon"></view>
        <input
          v-model="loginForm.password"
          type="password"
          class="input"
          placeholder="请输入密码"
          maxlength="20"
        />
      </view>
      <view
        class="input-item flex align-center"
        style="width: 60%; margin: 0px"
        v-if="captchaEnabled"
      >
        <view class="iconfont icon-code icon"></view>
        <input
          v-model="loginForm.code"
          type="number"
          class="input"
          placeholder="请输入验证码"
          maxlength="4"
        />
        <view class="login-code">
          <image :src="codeUrl" @click="getCode" class="login-code-img"></image>
        </view>
      </view>
      <view class="action-btn">
        <button @click="handleLogin" class="login-btn cu-btn block bg-blue lg round">
          登录
        </button>
        <button @click="wxHandleLogin" class="login-btn cu-btn block bg-green lg round">
          微信授权登录
        </button>
      </view>
      <view class="reg text-center">
        <text class="text-grey1">没有账号？</text>
        <text @click="handleUserRegister" class="text-blue">立即注册</text>
      </view>
      <view class="xieyi text-center">
        <text class="text-grey1">登录即代表同意</text>
        <text @click="handleUserAgrement" class="text-blue">《用户协议》</text>
        <text @click="handlePrivacy" class="text-blue">《隐私协议》</text>
      </view>
    </view>
  </view>
</template>

<script>
import { getCodeImg } from "@/api/login";

export default {
  data() {
    return {
      codeUrl: "",
      captchaEnabled: true,
      // 用户注册开关
      register: false,
      globalConfig: getApp().globalData.config,
      loginForm: {
        username: "admin",
        password: "admin123",
        code: "",
        uuid: "",
      },
      // 微信登录
      wxLoginForm: {
        code: "",
        encryptedIv: "",
        encryptedData: "",
      },
    };
  },
  created() {
    this.getCode();
  },
  methods: {
    // 用户注册
    handleUserRegister() {
      this.$tab.redirectTo(`/pages/register`);
    },
    // 隐私协议
    handlePrivacy() {
      let site = this.globalConfig.appInfo.agreements[0];
      this.$tab.navigateTo(
        `/pages/common/webview/index?title=${site.title}&url=${site.url}`
      );
    },
    // 用户协议
    handleUserAgrement() {
      let site = this.globalConfig.appInfo.agreements[1];
      this.$tab.navigateTo(
        `/pages/common/webview/index?title=${site.title}&url=${site.url}`
      );
    },
    // 获取图形验证码
    getCode() {
      getCodeImg().then((res) => {
        this.captchaEnabled =
          res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    // 微信授权登录
    async wxHandleLogin() {
      console.log("微信小程序发起授权登录");
      this.$modal.loading("登录中，请耐心等待...");
      // 获取服务商信息
      uni.getProvider({
        service: "oauth",
        success: (res) => {
          console.log(res);
          if (~res.provider.indexOf("weixin")) {
            // 登录
            uni.login({
              provider: "weixin",
              success: (loginRes) => {
                console.log("登录", loginRes);
                this.wxLoginForm.code = loginRes.code;
                // 获取用户信息
                uni.getUserInfo({
                  success: (resInfo) => {
                    console.log("用户信息", resInfo);
                    // 设置偏移量和加密数据
                    this.wxLoginForm.encryptedIv = resInfo.iv;
                    this.wxLoginForm.encryptedData = resInfo.encryptedData;
                    // 向后端发起登录请求 TODO
                    this.sendWxLoginFormToLocalService();
                  },
                });
              },
            });
          }
        },
      });
    },
    // 向后端发起登录请求
    sendWxLoginFormToLocalService() {
      console.log("向后端发起登录请求..............");
      this.$store
        .dispatch("wxLogin", this.wxLoginForm)
        .then(() => {
          this.$modal.closeLoading();
          this.loginSuccess();
        })
        .catch(() => {
          this.$modal.msgError("微信登录失败");
          // if (this.captchaEnabled) {
          //   this.getCode()
          // }
        });
    },
    // 登录方法
    async handleLogin() {
      if (this.loginForm.username === "") {
        this.$modal.msgError("请输入账号");
      } else if (this.loginForm.password === "") {
        this.$modal.msgError("请输入密码");
      } else if (this.loginForm.code === "" && this.captchaEnabled) {
        this.$modal.msgError("请输入验证码");
      } else {
        this.$modal.loading("登录中，请耐心等待...");
        this.pwdLogin();
      }
    },
    // 密码登录
    async pwdLogin() {
      this.$store
        .dispatch("Login", this.loginForm)
        .then(() => {
          this.$modal.closeLoading();
          this.loginSuccess();
        })
        .catch(() => {
          if (this.captchaEnabled) {
            this.getCode();
          }
        });
    },
    // 登录成功后，处理函数
    loginSuccess(result) {
      // 设置用户信息
      this.$store.dispatch("GetInfo").then((res) => {
        this.$tab.reLaunch("/pages/index");
      });
    },
  },
};
</script>

<style lang="scss" scoped>
page {
  background-color: #ffffff;
}

.normal-login-container {
  width: 100%;

  .logo-content {
    width: 100%;
    font-size: 21px;
    text-align: center;
    padding-top: 15%;

    image {
      border-radius: 4px;
    }

    .title {
      margin-left: 10px;
    }
  }

  .login-form-content {
    text-align: center;
    margin: 20px auto;
    margin-top: 15%;
    width: 80%;

    .input-item {
      margin: 20px auto;
      background-color: #f5f6f7;
      height: 45px;
      border-radius: 20px;

      .icon {
        font-size: 38rpx;
        margin-left: 10px;
        color: #999;
      }

      .input {
        width: 100%;
        font-size: 14px;
        line-height: 20px;
        text-align: left;
        padding-left: 15px;
      }
    }

    .login-btn {
      margin-top: 40px;
      height: 45px;
    }

    .reg {
      margin-top: 15px;
    }

    .xieyi {
      color: #333;
      margin-top: 20px;
    }

    .login-code {
      height: 38px;
      float: right;

      .login-code-img {
        height: 38px;
        position: absolute;
        margin-left: 10px;
        width: 200rpx;
      }
    }
  }
}
</style>