原文链接:https://www.cnblogs.com/lvxisha/p/11428767.html
最近写小程序项目遇到一些问题,今天整理下这些问题的解决方法,希望对用户有帮助。下面是登录页,点击登录时获取input框中的值,
效果如下:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | wxml布局如下: < view > < input type="text" placeholder-style="color:#fff;" bindinput="userNameInp" placeholder="请输入账号" /> </ view > < view > < input password placeholder-style="color:#fff;" bindinput="usePasswordInp" placeholder="请输入密码"/> </ view > < button class="loginBtn" bindtap='loginFn'>登录</ button > js代码如下: const app = getApp(); Page({ /** * 页面的初始数据 */ data: { userName: "", passWord: "", }, //监听输入的账号 userNameInp: function (e) { this.data.userName = e.detail.value; }, //监听输入的密码 usePasswordInp: function (e) { this.data.passWord = e.detail.value; }, //登录 loginFn: function () { var that = this; if (that.data.userName.length == 0 || that.data.passWord.length == 0) { wx.showToast({ title: '账号或密码为空', icon: 'loading', duration: 2000 }) } else { wx.showLoading({ title: '登录中...', }) wx.request({ url: 'https://localhost:8180/exam/login', data: { username: that.data.userName, password: that.data.passWord }, header: { 'content-type': 'application/x-www-form-urlencoded' // 默认值 }, method: 'post', success: function (res) { wx.hideLoading(); wx.removeStorageSync('sessionid'); // console.log('登录成功', res.data.data); if (res.data.code == "0000") { wx.showToast({ title: '登录成功', icon: 'success', duration: 1000 }) wx.setStorageSync('sessionid', res.header['Set-Cookie']); //保存Cookie到Storage wx.setStorage({ key: 'myData', data: res.data.data }) wx.redirectTo({ url: '/pages/index/index', }) } else { wx.showToast({ title: '登录失败', icon: 'none', duration: 2000 }) } }, fail: function (e) { wx.showToast({ title: '服务器出现错误', icon: 'none', duration: 2000 }) } }) } }, //跳转到忘记密码页面 onTapDayWeather() { wx.navigateTo({ url: '/pages/updatepwd/updatepwd', }) }, /** * 生命周期函数--监听页面加载 */ onLoad: function (options) { }, }) |