多租户：登录界面，根据 host 域名获取对应的租户编号

src/api/login/index.ts

@@ -27,6 +27,11 @@ export const getTenantIdByName = (name: string) => {
   return request.get({ url: '/system/tenant/get-id-by-name?name=' + name })
 }
 
+// 使用租户域名，获得租户信息
+export const getTenantByWebsite = (website: string) => {
+  return request.get({ url: '/system/tenant/get-by-website?website=' + website })
+}
+
 // 登出
 export const loginOut = () => {
   return request.post({ url: '/system/auth/logout' })

src/views/Login/components/LoginForm.vue

@@ -193,10 +193,10 @@ const loginData = reactive({
 })
 
 const socialList = [
-  { icon: 'ant-design:github-filled', type: 0 },
   { icon: 'ant-design:wechat-filled', type: 30 },
-  { icon: 'ant-design:alipay-circle-filled', type: 0 },
-  { icon: 'ant-design:dingtalk-circle-filled', type: 20 }
+  { icon: 'ant-design:dingtalk-circle-filled', type: 20 },
+  { icon: 'ant-design:github-filled', type: 0 },
+  { icon: 'ant-design:alipay-circle-filled', type: 0 }
 ]
 
 // 获取验证码
@@ -230,6 +230,15 @@ const getCookie = () => {
     }
   }
 }
+// 根据域名，获得租户信息
+const getTenantByWebsite = async () => {
+  const website = location.host
+  const res = await LoginApi.getTenantByWebsite(website)
+  if (res) {
+    loginData.loginForm.tenantName = res.name
+    authUtil.setTenantId(res.id)
+  }
+}
 const loading = ref() // ElLoading.service 返回的实例
 // 登录
 const handleLogin = async (params) => {
@@ -278,11 +287,16 @@ const doSocialLogin = async (type: number) => {
   } else {
     loginLoading.value = true
     if (loginData.tenantEnable === 'true') {
+      // 尝试先通过 tenantName 获取租户
+      await getTenantId()
+      // 如果获取不到，则需要弹出提示，进行处理
+      if (!authUtil.getTenantId()) {
         await message.prompt('请输入租户名称', t('common.reminder')).then(async ({ value }) => {
           const res = await LoginApi.getTenantIdByName(value)
           authUtil.setTenantId(res)
         })
       }
+    }
     // 计算 redirectUri
     // tricky: type、redirect需要先encode一次，否则钉钉回调会丢失。
     // 配合 Login/SocialLogin.vue#getUrlValue() 使用
@@ -307,6 +321,7 @@ watch(
 )
 onMounted(() => {
   getCookie()
+  getTenantByWebsite()
 })
 </script>