miao33: 从 main 同步 single_uniapp22miao，dart-sass 兼容修复，DEPLOY.md 更新

- 从 main 获取 single_uniapp22miao 子项目
- dart-sass: /deep/ -> ::v-deep，calc 运算符加空格
- DEPLOY.md 采用 shccd159 版本（4 子项目架构说明）

Made-with: Cursor

single_uniapp22miao/mixins/SendVerifyCode.js

@@ -0,0 +1,37 @@
+// +----------------------------------------------------------------------
+// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2016~2021 https://www.crmeb.com All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
+// +----------------------------------------------------------------------
+// | Author: CRMEB Team <admin@crmeb.com>
+// +----------------------------------------------------------------------
+
+export default {
+  data() {
+    return {
+      disabled: false,
+      text: "获取验证码"
+    };
+  },
+  methods: {
+    sendCode() {
+      if (this.disabled) return;
+      this.disabled = true;
+      let n = 60;
+      this.text = "剩余 " + n + "s";
+      const run = setInterval(() => {
+        n = n - 1;
+        if (n < 0) {
+          clearInterval(run);
+        }
+        this.text = "剩余 " + n + "s";
+        if (this.text < "剩余 " + 0 + "s") {
+          this.disabled = false;
+          this.text = "重新获取";
+        }
+      }, 1000);
+    }
+  }
+};