add password validate

src/app/login/login.component.ts

@@ -39,7 +39,13 @@ export class LoginComponent implements OnInit {
                             if (xhr.is_success) {
                                 sessionStorage.setItem('userInfo', JSON.stringify(xhr.body));
                                 this.message.success('登录成功！');
+                                // console.log(sessionStorage.getItem('userInfo'));
+                                if (this.checkPattern(this.loginForm.controls['password'].value)) {
                                     this.router.navigate(['../app/main'], { relativeTo: this.route });
+                                } else {
+                                    this.message.error('请修改用户密码');
+                                    this.router.navigate(['/chpw']);
+                                }
                             }
                         }
                     )
@@ -49,4 +55,23 @@ export class LoginComponent implements OnInit {
             }
         )
     }
+
+    checkPattern(pw: string): boolean {
+        if (pw.length < 8) {
+            return false;
+        }
+        if  (!/\d/.test(pw)) {
+            return false;
+        } 
+        if (!/[A-Z]/.test(pw)) {
+            return false;
+        }
+        if (!/[a-z]/.test(pw)) {
+            return false;
+        }
+        if (!/[ !@#$%^&*()_+\-=\[\]{};':"\\|,.<>\/?]/.test(pw)) {
+            return false;
+        }
+        return true;
+    }
 }