├── .gitignore ├── LICENSE ├── README.md ├── app.js ├── app.json ├── app.wxss ├── images └── timg.jpeg ├── pages ├── index │ ├── index.js │ ├── index.json │ ├── index.wxml │ └── index.wxss ├── logs │ ├── logs.js │ ├── logs.json │ ├── logs.wxml │ └── logs.wxss ├── scroll-view-scale │ ├── index.js │ ├── index.json │ ├── index.wxml │ └── index.wxss └── view-scale │ ├── index.js │ ├── index.json │ ├── index.wxml │ └── index.wxss ├── resources └── images │ ├── 2017-02-02_21_22_25.gif │ └── 2017-02-03_14_52_47.gif └── utils └── util.js /.gitignore: -------------------------------------------------------------------------------- 1 | *.DS_Store 2 | *.env 3 | *.idea 4 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # 微信小程序开发总结 2 | 3 | ## view子元素缩放、移动 4 | 5 | 通过监听父view的touch事件，单指touch move用于移动，双指touch move则用于缩放， 通过transform:translate 进行移动、transform:scale进行缩放。 6 | 7 | ## scroll-view子元素缩放 8 | 9 | 通过监听父scroll-view的touch事件，计算出两指的距离，缩放用的是css zoom来进行的，因为transform:scale的缩放不能改变box的大小，对于scroll-view来说就会产生问题。 10 | 11 | 但是用zoom有一个问题就是缩放基点是按左上角进行的, 体验不是很好。 12 | 13 | ![](resources/images/2017-02-03_14_52_47.gif) 14 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /app.js: -------------------------------------------------------------------------------- 1 | //app.js 2 | App({ 3 | onLaunch: function () { 4 | //调用API从本地缓存中获取数据 5 | var logs = wx.getStorageSync('logs') || [] 6 | logs.unshift(Date.now()) 7 | wx.setStorageSync('logs', logs) 8 | }, 9 | getUserInfo:function(cb){ 10 | var that = this 11 | if(this.globalData.userInfo){ 12 | typeof cb == "function" && cb(this.globalData.userInfo) 13 | }else{ 14 | //调用登录接口 15 | wx.login({ 16 | success: function () { 17 | wx.getUserInfo({ 18 | success: function (res) { 19 | that.globalData.userInfo = res.userInfo 20 | typeof cb == "function" && cb(that.globalData.userInfo) 21 | } 22 | }) 23 | } 24 | }) 25 | } 26 | }, 27 | globalData:{ 28 | userInfo:null 29 | } 30 | }) -------------------------------------------------------------------------------- /app.json: -------------------------------------------------------------------------------- 1 | { 2 | "pages":[ 3 | "pages/index/index", 4 | "pages/view-scale/index", 5 | "pages/scroll-view-scale/index", 6 | "pages/logs/logs" 7 | ], 8 | "window":{ 9 | "backgroundTextStyle":"light", 10 | "navigationBarBackgroundColor": "#fff", 11 | "navigationBarTitleText": "WeChat", 12 | "navigationBarTextStyle":"black" 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /app.wxss: -------------------------------------------------------------------------------- 1 | /**app.wxss**/ 2 | .container { 3 | height: 100%; 4 | display: flex; 5 | flex-direction: column; 6 | padding: 20rpx; 7 | } 8 | 9 | .tip { 10 | font-size: 28rpx; 11 | margin: 20rpx 0; 12 | display: flex; 13 | flex-direction: column; 14 | } 15 | -------------------------------------------------------------------------------- /images/timg.jpeg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/zhiming137/minapp/dd0e4966e7fb0f13f380c5595589027d161ded49/images/timg.jpeg -------------------------------------------------------------------------------- /pages/index/index.js: -------------------------------------------------------------------------------- 1 | //index.js 2 | //获取应用实例 3 | var app = getApp() 4 | Page({ 5 | data: { 6 | }, 7 | toDetail: function (event) { 8 | console.log(event) 9 | var path = event.currentTarget.dataset.path; 10 | wx.navigateTo({ 11 | url: '../' + path 12 | }) 13 | }, 14 | onLoad: function () { 15 | console.log('onLoad'); 16 | } 17 | }) 18 | -------------------------------------------------------------------------------- /pages/index/index.json: -------------------------------------------------------------------------------- 1 | {} -------------------------------------------------------------------------------- /pages/index/index.wxml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 在开发小程序中总结的一些经验。 5 | 6 | 7 | 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /pages/index/index.wxss: -------------------------------------------------------------------------------- 1 | /**index.wxss**/ 2 | .list { 3 | 4 | } 5 | .list button { 6 | margin: 20rpx 0; 7 | } 8 | -------------------------------------------------------------------------------- /pages/logs/logs.js: -------------------------------------------------------------------------------- 1 | //logs.js 2 | var util = require('../../utils/util.js') 3 | Page({ 4 | data: { 5 | logs: [] 6 | }, 7 | onLoad: function () { 8 | this.setData({ 9 | logs: (wx.getStorageSync('logs') || []).map(function (log) { 10 | return util.formatTime(new Date(log)) 11 | }) 12 | }) 13 | } 14 | }) 15 | -------------------------------------------------------------------------------- /pages/logs/logs.json: -------------------------------------------------------------------------------- 1 | { 2 | "navigationBarTitleText": "查看启动日志" 3 | } -------------------------------------------------------------------------------- /pages/logs/logs.wxml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | {{index + 1}}. {{log}} 5 | 6 | 7 | -------------------------------------------------------------------------------- /pages/logs/logs.wxss: -------------------------------------------------------------------------------- 1 | .log-list { 2 | display: flex; 3 | flex-direction: column; 4 | padding: 40rpx; 5 | } 6 | .log-item { 7 | margin: 10rpx; 8 | } 9 | -------------------------------------------------------------------------------- /pages/scroll-view-scale/index.js: -------------------------------------------------------------------------------- 1 | //scale.js 2 | //获取应用实例 3 | var app = getApp() 4 | Page({ 5 | data: { 6 | stv: { 7 | offsetX: 0, 8 | offsetY: 0, 9 | zoom: false, //是否缩放状态 10 | distance: 0, //两指距离 11 | scale: 1, //缩放倍数 12 | } 13 | }, 14 | //事件处理函数 15 | touchstartCallback: function(e) { 16 | //触摸开始 17 | console.log('touchstartCallback'); 18 | console.log(e); 19 | 20 | if (e.touches.length === 1) { 21 | let {clientX, clientY} = e.touches[0]; 22 | this.startX = clientX; 23 | this.startY = clientY; 24 | this.touchStartEvent = e.touches; 25 | } else { 26 | let xMove = e.touches[1].clientX - e.touches[0].clientX; 27 | let yMove = e.touches[1].clientY - e.touches[0].clientY; 28 | let distance = Math.sqrt(xMove * xMove + yMove * yMove); 29 | this.setData({ 30 | 'stv.distance': distance, 31 | 'stv.zoom': true, //缩放状态 32 | }) 33 | } 34 | 35 | }, 36 | touchmoveCallback: function(e) { 37 | //触摸移动中 38 | console.log('touchmoveCallback'); 39 | console.log(e); 40 | 41 | if (e.touches.length === 1) { 42 | //单指移动 43 | if (this.data.stv.zoom) { 44 | //缩放状态，不处理单指 45 | return ; 46 | } 47 | let {clientX, clientY} = e.touches[0]; 48 | let offsetX = clientX - this.startX; 49 | let offsetY = clientY- this.startY; 50 | this.startX = clientX; 51 | this.startY = clientY; 52 | let {stv} = this.data; 53 | stv.offsetX += offsetX; 54 | stv.offsetY += offsetY; 55 | stv.offsetLeftX = -stv.offsetX; 56 | stv.offsetLeftY = -stv.offsetLeftY; 57 | this.setData({ 58 | stv: stv 59 | }); 60 | 61 | } else { 62 | //双指缩放 63 | let xMove = e.touches[1].clientX - e.touches[0].clientX; 64 | let yMove = e.touches[1].clientY - e.touches[0].clientY; 65 | let distance = Math.sqrt(xMove * xMove + yMove * yMove); 66 | 67 | let distanceDiff = distance - this.data.stv.distance; 68 | let newScale = this.data.stv.scale + 0.005 * distanceDiff; 69 | 70 | this.setData({ 71 | 'stv.distance': distance, 72 | 'stv.scale': newScale, 73 | }) 74 | } 75 | 76 | }, 77 | touchendCallback: function(e) { 78 | //触摸结束 79 | console.log('touchendCallback'); 80 | console.log(e); 81 | 82 | if (e.touches.length === 0) { 83 | this.setData({ 84 | 'stv.zoom': false, //重置缩放状态 85 | }) 86 | } 87 | }, 88 | onLoad: function () { 89 | console.log('onLoad'); 90 | } 91 | }) 92 | -------------------------------------------------------------------------------- /pages/scroll-view-scale/index.json: -------------------------------------------------------------------------------- 1 | {} -------------------------------------------------------------------------------- /pages/scroll-view-scale/index.wxml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | scroll-view子元素缩放 5 | 说明：双指缩放开发工具上并不支持，需要在真机上进行。 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | x: {{stv.offsetX}}, 14 | y: {{stv.offsetY}}, 15 | d: {{stv.distance}}, 16 | s: {{stv.scale}}, 17 | 18 | 19 | -------------------------------------------------------------------------------- /pages/scroll-view-scale/index.wxss: -------------------------------------------------------------------------------- 1 | /**scale.wxss**/ 2 | .img { 3 | width: 100%; 4 | height: 500rpx; 5 | background: #AAA; 6 | text-align: center; 7 | } 8 | .img image { 9 | height: 800rpx; 10 | width: 600rpx; 11 | } 12 | 13 | -------------------------------------------------------------------------------- /pages/view-scale/index.js: -------------------------------------------------------------------------------- 1 | //scale.js 2 | //获取应用实例 3 | var app = getApp() 4 | Page({ 5 | data: { 6 | stv: { 7 | offsetX: 0, 8 | offsetY: 0, 9 | zoom: false, //是否缩放状态 10 | distance: 0, //两指距离 11 | scale: 1, //缩放倍数 12 | } 13 | }, 14 | //事件处理函数 15 | touchstartCallback: function(e) { 16 | //触摸开始 17 | console.log('touchstartCallback'); 18 | console.log(e); 19 | 20 | if (e.touches.length === 1) { 21 | let {clientX, clientY} = e.touches[0]; 22 | this.startX = clientX; 23 | this.startY = clientY; 24 | this.touchStartEvent = e.touches; 25 | } else { 26 | let xMove = e.touches[1].clientX - e.touches[0].clientX; 27 | let yMove = e.touches[1].clientY - e.touches[0].clientY; 28 | let distance = Math.sqrt(xMove * xMove + yMove * yMove); 29 | this.setData({ 30 | 'stv.distance': distance, 31 | 'stv.zoom': true, //缩放状态 32 | }) 33 | } 34 | 35 | }, 36 | touchmoveCallback: function(e) { 37 | //触摸移动中 38 | //console.log('touchmoveCallback'); 39 | //console.log(e); 40 | 41 | if (e.touches.length === 1) { 42 | //单指移动 43 | if (this.data.stv.zoom) { 44 | //缩放状态，不处理单指 45 | return ; 46 | } 47 | let {clientX, clientY} = e.touches[0]; 48 | let offsetX = clientX - this.startX; 49 | let offsetY = clientY- this.startY; 50 | this.startX = clientX; 51 | this.startY = clientY; 52 | let {stv} = this.data; 53 | stv.offsetX += offsetX; 54 | stv.offsetY += offsetY; 55 | stv.offsetLeftX = -stv.offsetX; 56 | stv.offsetLeftY = -stv.offsetLeftY; 57 | this.setData({ 58 | stv: stv 59 | }); 60 | 61 | } else { 62 | //双指缩放 63 | let xMove = e.touches[1].clientX - e.touches[0].clientX; 64 | let yMove = e.touches[1].clientY - e.touches[0].clientY; 65 | let distance = Math.sqrt(xMove * xMove + yMove * yMove); 66 | 67 | let distanceDiff = distance - this.data.stv.distance; 68 | let newScale = this.data.stv.scale + 0.005 * distanceDiff; 69 | 70 | this.setData({ 71 | 'stv.distance': distance, 72 | 'stv.scale': newScale, 73 | }) 74 | } 75 | 76 | }, 77 | touchendCallback: function(e) { 78 | //触摸结束 79 | console.log('touchendCallback'); 80 | console.log(e); 81 | 82 | if (e.touches.length === 0) { 83 | this.setData({ 84 | 'stv.zoom': false, //重置缩放状态 85 | }) 86 | } 87 | }, 88 | onLoad: function () { 89 | console.log('onLoad'); 90 | } 91 | }) 92 | -------------------------------------------------------------------------------- /pages/view-scale/index.json: -------------------------------------------------------------------------------- 1 | {} -------------------------------------------------------------------------------- /pages/view-scale/index.wxml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | view子元素缩放、移动 5 | 说明：双指缩放开发工具上并不支持，需要在真机上进行。 6 | 7 | 8 | 9 | 10 | 11 | 12 | x: {{stv.offsetX}}, 13 | y: {{stv.offsetY}}, 14 | d: {{stv.distance}}, 15 | s: {{stv.scale}}, 16 | 17 | 18 | -------------------------------------------------------------------------------- /pages/view-scale/index.wxss: -------------------------------------------------------------------------------- 1 | /**scale.wxss**/ 2 | .img { 3 | width: 100%; 4 | height: 500rpx; 5 | overflow: hidden; 6 | background: #AAA; 7 | } 8 | .img image { 9 | height:400px; 10 | } 11 | 12 | -------------------------------------------------------------------------------- /resources/images/2017-02-02_21_22_25.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/zhiming137/minapp/dd0e4966e7fb0f13f380c5595589027d161ded49/resources/images/2017-02-02_21_22_25.gif -------------------------------------------------------------------------------- /resources/images/2017-02-03_14_52_47.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/zhiming137/minapp/dd0e4966e7fb0f13f380c5595589027d161ded49/resources/images/2017-02-03_14_52_47.gif -------------------------------------------------------------------------------- /utils/util.js: -------------------------------------------------------------------------------- 1 | function formatTime(date) { 2 | var year = date.getFullYear() 3 | var month = date.getMonth() + 1 4 | var day = date.getDate() 5 | 6 | var hour = date.getHours() 7 | var minute = date.getMinutes() 8 | var second = date.getSeconds() 9 | 10 | 11 | return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':') 12 | } 13 | 14 | function formatNumber(n) { 15 | n = n.toString() 16 | return n[1] ? n : '0' + n 17 | } 18 | 19 | module.exports = { 20 | formatTime: formatTime 21 | } 22 | --------------------------------------------------------------------------------