update

src/core/auth.interceptor.ts

-import {AlertController, App, Events} from 'ionic-angular';import {HttpEvent, HttpHandler, HttpInterceptor, HttpRequest, HttpResponse} from '@angular/common/http';import {Injectable} from '@angular/core';import {Storage} from '@ionic/storage';
import {Observable} from 'rxjs';import {_throw} from 'rxjs/observable/throw';import {CommonService} from "./common.service";import {GlobalData} from "./GlobleData";
/**
 * http拦截器  增加token信息
 */
@Injectable()export class InterceptorProvider implements HttpInterceptor {

    constructor(private storage: Storage, private alertCtrl: AlertController, private events: Events,
                private commonSer: CommonService, private app: App,
                private globle: GlobalData) {
    }

    // Intercepts all HTTP requests!
    intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
        const data = this.storage.get('');
        return Observable.fromPromise(data)
            .mergeMap(data => {
                let clonedReq = this.addToken(request, data);
                return next.handle(clonedReq).do(res => {
                    if (res instanceof HttpResponse) {
                        this.message(res.body);
                    }
                }, (error) => {
                    let msg = error.message;
                    this.errorMessage(error);
                    // Pass the error to the caller of the function
                    return _throw(error);
                }, () => {
                })
            });
    }

    // Adds the token to your headers if it exists
    private addToken(request: HttpRequest<any>, token: any) {
        let body;
        if (request.method == "POST") {
            body = Object.assign(request.body, {});
            if (this.globle.token) {
                body = Object.assign(body, {"token": this.globle.token});
            }
            if (this.globle.userObj && this.globle.userObj.userid) {
                body = Object.assign(body, {"userid": this.globle.userObj.userid});
            }
        }
        if (token) {
            let clone: HttpRequest<any>;
            if (request.method == "POST") {
                clone = request.clone({
                    setHeaders: {
                        // "Accept": `application/json`,
                        'Content-Type': `application/json;charset=UTF-8`,
                    },
                    body: body
                });
            } else {
                clone = request.clone({
                    setHeaders: {
                        // "Accept": `application/json`,
                        'Content-Type': `application/json;charset=UTF-8`,
                    },
                });
            }
            return clone;
        }
        return request;
    }

    //code message
    message(data) {
        if (data.code) {
            let code = data.code;
            if (code == "401") {
                this.commonSer.toast("登录已过期");
                this.storage.clear();
                this.events.publish('toLogin');
            } else if (code == "-1") {
                let alert = this.alertCtrl.create({
                    title: "错误",
                    message: `${data.msg}。`,
                    buttons: ['确定']
                });
                alert.present();
            }
            if (code == 500) {
                let alert = this.alertCtrl.create({
                    title: "错误",
                    message: `${data.msg}。`,
                    buttons: ['确定']
                });
                alert.present();
            }
        }
    }

    //error message
    errorMessage(data) {
        if (data.status) {
            let code = data.status;
            if (code != 200) {
                const error = JSON.parse(data.error);
                let alert = this.alertCtrl.create({
                    title: "错误",
                    message: `${data.error.errorMsg},错误码:${code}。`,
                    buttons: ['确定']
                });
                alert.present();
            }

        }
    }
}
\ No newline at end of file
+import {AlertController, App, Events} from 'ionic-angular';import {HttpEvent, HttpHandler, HttpInterceptor, HttpRequest, HttpResponse} from '@angular/common/http';import {Injectable} from '@angular/core';import {Storage} from '@ionic/storage';
import {Observable} from 'rxjs';import {_throw} from 'rxjs/observable/throw';import {CommonService} from "./common.service";import {GlobalData} from "./GlobleData";
/**
 * http拦截器  增加token信息
 */
@Injectable()export class InterceptorProvider implements HttpInterceptor {

    constructor(private storage: Storage, private alertCtrl: AlertController, private events: Events,
                private commonSer: CommonService, private app: App,
                private globle: GlobalData) {
    }

    // Intercepts all HTTP requests!
    intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
        const data = this.storage.get('');
        return Observable.fromPromise(data)
            .mergeMap(data => {
                let clonedReq = this.addToken(request, data);
                return next.handle(clonedReq).do(res => {
                    if (res instanceof HttpResponse) {
                        this.message(res.body);
                    }
                }, (error) => {
                    let msg = error.message;
                    this.errorMessage(error);
                    // Pass the error to the caller of the function
                    return _throw(error);
                }, () => {
                })
            });
    }

    // Adds the token to your headers if it exists
    private addToken(request: HttpRequest<any>, token: any) {
        let body;
        if (request.method == "POST") {
            body = Object.assign(request.body, {});
            if (this.globle.token) {
                body = Object.assign(body, {"token": this.globle.token});
            }
            if (this.globle.userObj && this.globle.userObj.userid) {
                body = Object.assign(body, {"userid": this.globle.userObj.userid});
            }
        }
        if (token) {
            let clone: HttpRequest<any>;
            if (request.method == "POST") {
                clone = request.clone({
                    setHeaders: {
                        // "Accept": `application/json`,
                        'Content-Type': `application/json;charset=UTF-8`,
                    },
                    body: body
                });
            } else {
                clone = request.clone({
                    setHeaders: {
                        // "Accept": `application/json`,
                        'Content-Type': `application/json;charset=UTF-8`,
                    },
                });
            }
            return clone;
        }
        return request;
    }

    //code message
    message(data) {
        if (data.code) {
            let code = data.code;
            if (code == "401") {
                this.commonSer.toast("登录已过期");
                this.storage.clear();
                this.events.publish('toLogin');
            } else if (code == "-1") {
                let alert = this.alertCtrl.create({
                    title: "提示",
                    message: `${data.msg}。`,
                    buttons: ['确定']
                });
                alert.present();
            }
            if (code == 500) {
                let alert = this.alertCtrl.create({
                    title: "提示",
                    message: `${data.msg}。`,
                    buttons: ['确定']
                });
                alert.present();
            }
        }
    }

    //error message
    errorMessage(data) {
        if (data.status) {
            let code = data.status;
            if (code != 200) {
                const error = JSON.parse(data.error);
                let alert = this.alertCtrl.create({
                    title: "错误",
                    message: `${data.error.errorMsg},错误码:${code}。`,
                    buttons: ['确定']
                });
                alert.present();
            }

        }
    }
}
\ No newline at end of file

src/pages/login/login.ts

@@ -22,8 +22,8 @@ export class LoginPage {
 
     codeNum;
     user = {
-        mobilePhone: "18521524378",
-        password: "qweasd123",
+        mobilePhone: "",
+        password: "",
         captcha: ""
     };
     loading;
@@ -57,11 +57,15 @@ export class LoginPage {
         this.loading.present();
         this.loginSer.login(data).subscribe(
             (res) => {
-                this.storage.set('token', res.token);
-                this.globle.token = res.token;
-                setTimeout(() => {
-                    this.getUserInfo();
-                }, 100)
+                if (res.code == '0') {
+                    this.storage.set('token', res.token);
+                    this.globle.token = res.token;
+                    setTimeout(() => {
+                        this.getUserInfo();
+                    }, 100)
+                }else{
+                    this.loading.dismiss();
+                }
             }
         )
     }