接上篇微信小程序后端搭建：分享：Laravel 微信小程序后端搭建
后端搭建好后第一件事就是用户登录认证，简单实现微信小程序登录认证
1.user 模型
use Laravel\Passport\HasApiTokens; 新增
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use HasApiTokens, Notifiable;
protected $fillable = [
'id',
'name',
'email',
'email_verified_at',
'username',
'phone',
'avatar',//我用来把微信头像的/0清晰图片，存到又拍云上
'weapp_openid',
'nickname',
'weapp_avatar',
'country',
'province',
'city',
'language',
'location',
'gender',
'level',//用户等级
'is_admin',//is管理员
];
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2. 新增一条路由
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//前端小程序拿到的地址：https://域名/api/v1/自己写的接口
Route::group(['prefix' => '/v1'], function () {
Route::post('/user/login', 'UserController@weappLogin');
});
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3. 在 UserController 控制器里新建 function weappLogin ()，别忘了 use 这些
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use App\User;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;
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写两个 function weappLogin (),avatarUpyun ()
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public function weappLogin(Request $request)
{
$code = $request->code;
// 根据 code 获取微信 openid 和 session_key
$miniProgram = \EasyWeChat::miniProgram();
$data = $miniProgram->auth->session($code);
if (isset($data['errcode'])) {
return $this->response->errorUnauthorized('code已过期或不正确');
}
$weappOpenid = $data['openid'];
$weixinSessionKey = $data['session_key'];
$nickname = $request->nickname;
$avatar = str_replace('/132', '/0', $request->avatar);//拿到分辨率高点的头像
$country = $request->country?$request->country:'';
$province = $request->province?$request->province:'';
$city = $request->city?$request->city:'';
$gender = $request->gender == '1' ? '1' : '2';//没传过性别的就默认女的吧，体验好些
$language = $request->language?$request->language:'';
//找到 openid 对应的用户
$user = User::where('weapp_openid', $weappOpenid)->first();
//没有，就注册一个用户
if (!$user) {
$user = User::create([
'weapp_openid' => $weappOpenid,
'weapp_session_key' => $weixinSessionKey,
'password' => $weixinSessionKey,
'avatar' => $request->avatar?$this->avatarUpyun($avatar):'',
'weapp_avatar' => $avatar,
'nickname' => $nickname,
'country' => $country,
'province' => $province,
'city' => $city,
'gender' => $gender,
'language' => $language,
]);
}
//如果注册过的，就更新下下面的信息
$attributes['updated_at'] = now();
$attributes['weixin_session_key'] = $weixinSessionKey;
$attributes['weapp_avatar'] = $avatar;
if ($nickname) {
$attributes['nickname'] = $nickname;
}
if ($request->gender) {
$attributes['gender'] = $gender;
}
// 更新用户数据
$user->update($attributes);
// 直接创建token并设置有效期
$createToken = $user->createToken($user->weapp_openid);
$createToken->token->expires_at = Carbon::now()->addDays(30);
$createToken->token->save();
$token = $createToken->accessToken;
return response()->json([
'access_token' => $token,
'token_type' => "Bearer",
'expires_in' => Carbon::now()->addDays(30),
'data' => $user,
], 200);
}
//我保存到又拍云了，版权归腾讯所有。。。头条闹的
private function avatarUpyun($avatar)
{
$avatarfile = file_get_contents($avatar);
$filename = 'avatars/' . uniqid() . '.png';//微信的头像链接我也不知道怎么获取后缀，直接保存成png的了
Storage::disk('upyun')->write($filename, $avatarfile);
$wexinavatar = config('filesystems.disks.upyun.protocol') . '://' . config('filesystems.disks.upyun.domain') . '/' . $filename;
return $wexinavatar;//返回链接地址
}
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微信的头像 / 0
小头像默认 / 132
4. 后端上面就写好了，再看下小程序端怎么做的哈，打开小程序的 app.json，添加 "pages/auth/auth",
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{
"pages": [
"pages/index/index",
"pages/auth/auth",//做一个登录页面
"pages/logs/logs"
],
"window": {
"backgroundTextStyle": "light",
"navigationBarBackgroundColor": "#fff",
"navigationBarTitleText": "WeChat",
"navigationBarTextStyle": "black"
},
"sitemapLocation": "sitemap.json",
"permission": {
"scope.userLocation": {
"desc": "你的位置信息将用于小程序位置接口的效果展示"
}
}
}
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5. 打开 auth.js
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const app = getApp();
Page({
/**
* 页面的初始数据
*/
data: {
UserData: [],
isClick: false,
},
/**
* 生命周期函数--监听页面加载
*/
onLoad: function(options) {
},
login: function(e) {
let that=this
that.setData({
isClick: true
})
wx.getUserInfo({
lang: "zh_CN",
success: response => {
wx.login({
success: res => {
let data = {
code:res.code,
nickname: response.userInfo.nickName,
avatar: response.userInfo.avatarUrl,
country: response.userInfo.country ? response.userInfo.country : '',
province: response.userInfo.province ? response.userInfo.province : '',
city: response.userInfo.city ? response.userInfo.city : '',
gender: response.userInfo.gender ? response.userInfo.gender : '',
language: response.userInfo.language ? response.userInfo.language : '',
}
console.log(data)
app.globalData.userInfo = data;
wx.request({
url: '你的后端地址',//我用的valet，http://ak.name/api/v1/user/login
method: 'POST',
data: data,
header: {
'Content-Type': 'application/x-www-form-urlencoded'
},
success: function (res) {
console.log(res)
if (res.statusCode != '200') {
return false;
}
wx.setStorageSync('access_token', res.data.access_token)
wx.setStorageSync('UserData', res.data.data ? res.data.data : '')
wx.redirectTo({
url: '/pages/index/index',
})
},
fail: function (e) {
wx.showToast({
title: '服务器错误',
duration: 2000
});
that.setData({
isClick: false
})
},
});
}
})
},
fail: function (e) {
that.setData({
isClick: false
})
},
})
}
})
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6. 打开 auth.wxml
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<view class='padding-xl'>
<button class='cu-btn margin-top bg-green shadow lg block' open-type="getUserInfo" bindgetuserinfo="login" disabled="{{isClick}}" type='success'>
<text wx:if="{{isClick}}" class='cuIcon-loading2 iconfont-spin'></text> 微信登录</button>
</view>
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://learnku.com/weapp/t/28680