以下为wxml (使用的vant小程序ui框架，需在json文件里自行引入)
头像展示（必填） （选一张好看的个人照片可以增加客户点击的机会哦） { {item}}
以下为wxss
.clearFloat { clear: both; overflow: hidden;}.upload_title { color: #222; font-size: 32rpx; margin-bottom: 16rpx; display: block; margin-top: 50rpx;}.imgrelative { position: relative; height: 164rpx; width: 164rpx; margin-right: 43rpx; float: left;}.uploadimg { height: 164rpx; width: 164rpx; float: left;} 以下为json
{ "usingComponents": { "van-popup": "../../vant/popup/index", "van-area": "../../vant/area/index", "van-icon": "../../vant/icon/index", "van-toast": "../../vant/toast/index", "van-datetime-picker": "../../vant/datetime-picker/index", "van-field": "../../vant/field/index", "upload": "../../component/upload/index" }} 以下为js文件（涉及到封装的微信ajax和七牛云上传图片方法在下面）
const util = require('../../utils/util.js');const qiniuUploader = require("../../utils/qiniuUploader"); // 头像展示上传图片 headIcon() { var that = this that.chooesImage(that, 1, function(res) { that.data.headIconArr.push(res) // console.log(that.data.ysCertImgArr.length) if (that.data.headIconArr.length >= 1) { that.setData({ IsHeadIcon: false }); } that.setData({ headIconArr: that.data.headIconArr }); }) }, // 头像展示预览与删除 previewHeadIcon(e) { this._previewImage(e, this.data.headIconArr) }, deleteHeadIcon(e) { var that = this that._deleteImage(e, that.data.headIconArr, function(files) { that.setData({ headIconArr: files, IsHeadIcon: true }); }) }, /*图片上传*/ chooesImage(that, count, callback) { util.didPressChooesImage(that, count, function(filePath) { qiniuUploader.upload(filePath, (res) => { console.log(res) callback(res) that.checkSubmit() }, (error) => { console.error('error: ' + JSON.stringify(error)); }, null, // 可以使用上述参数，或者使用 null 作为参数占位符 (progress) => { // console.log('上传进度', progress.progress) // console.log('已经上传的数据长度', progress.totalBytesSent) // console.log('预期需要上传的数据总长度', progress.totalBytesExpectedToSend) }, cancelTask => that.setData({ cancelTask }) ); }) },/*图片预览*/ _previewImage: function(e, arr) { var preUlrs = []; console.log(arr) const imgPath = 'https://cdn.wutongdaojia.com/' arr.map( function(value, index) { var key = imgPath + value.key preUlrs.push(key); } ); wx.previewImage({ current: e.currentTarget.id, // 当前显示图片的http链接 urls: preUlrs // 需要预览的图片http链接列表 }) }, /*图片删除*/ _deleteImage: function(e, arr, callback) { var that = this; var files = arr; var index = e.currentTarget.dataset.index; //获取当前长按图片下标 console.log(index) wx.showModal({ title: '提示', content: '确定要删除此图片吗？', success: function(res) { if (res.confirm) { files.splice(index, 1); console.log(files) } else if (res.cancel) { return false; } // files, that.setData({ isCanAddFile: true }); that.checkSubmit() callback(files) } }) }, 以下为封装的七牛云上传图片方法（util.js）
const qiniuUploader = require("./qiniuUploader");import api from './api.js';const getUploadToken = () => { var params = { token: wx.getStorageSync('token') } api.ajax("GET", params, "/weixin/getUploadToken").then(res => { console.log(res.data) initQiniu(res.data) });}// 初始化七牛相关参数const initQiniu = (uptoken) => { var options = { region: 'NCN', // 华北区 // uptokenURL: 'https://[yourserver.com]/api/uptoken', // cdn.wutongdaojia.com // uptokenURL: 'http://upload-z1.qiniup.com', // uptokenURL: 'https://yuesao.wutongdaojia.com/weixin/getUploadToken', // uptoken: 'xxx', uptoken: uptoken, // domain: 'http://[yourBucketId].bkt.clouddn.com', domain: 'space.bkt.clouddn.com', // space为七牛云后台创建的空间 shouldUseQiniuFileName: false }; qiniuUploader.init(options);}export function didPressChooesImage(that, count, callback) { getUploadToken(); // 微信 API 选文件 wx.chooseImage({ count: count, success: function(res) { console.log(res) var filePath = res.tempFilePaths[0]; console.log(filePath) callback(filePath) // 交给七牛上传 } })}/** * 文件上传 * 服务器端上传：http(s)://up.qiniup.com * 客户端上传： http(s)://upload.qiniup.com * cdn.wutongdaojia.com */function uploader(file, callback) { initQiniu(); qiniuUploader.upload(filePath, (res) => { // 每个文件上传成功后,处理相关的事情 // 其中 info 是文件上传成功后，服务端返回的json，形式如 // { // "hash": "Fh8xVqod2MQ1mocfI4S4KpRL6D98", // "key": "gogopher.jpg" // } // 参考http://developer.qiniu.com/docs/v6/api/overview/up/response/simple-response.html that.setData({ 'imageURL': res.imageURL, }); }, (error) => { console.log('error: ' + error); }, // , { // region: 'NCN', // 华北区 // uptokenURL: 'https://[yourserver.com]/api/uptoken', // domain: 'http://[yourBucketId].bkt.clouddn.com', // shouldUseQiniuFileName: false // key: 'testKeyNameLSAKDKASJDHKAS' // uptokenURL: 'myServer.com/api/uptoken' // } null, // 可以使用上述参数，或者使用 null 作为参数占位符 (res) => { console.log('上传进度', res.progress) console.log('已经上传的数据长度', res.totalBytesSent) console.log('预期需要上传的数据总长度', res.totalBytesExpectedToSend) });};module.exports = { initQiniu: initQiniu, getUploadToken: getUploadToken, didPressChooesImage: didPressChooesImage} 封装小程序wx.request（api.js）
const ajax = (Type, params, url) => { var methonType = "application/json"; // var https = "http://www.wutongdaojia.com" var https = "https://yuesao.wutongdaojia.com" var st = new Date().getTime() if (Type == "POST") { methonType = "application/x-www-form-urlencoded" } return new Promise(function (resolve, reject) { wx.request({ url: https + url, method: Type, data: params, header: { 'content-type': methonType, 'Muses-Timestamp': st, 'version': 'v1.0' // 版本号 // 'Muses-Signature': sign }, success: function (res) { // if (res.statusCode != 200) { // reject({ error: '服务器忙，请稍后重试', code: 500 }); // return; // } // resolve(res.data); wx.hideLoading() console.log(res) if (res.data.status == 200) { resolve(res.data); } else if (res.data.status == 400) { wx.showToast({ title: res.data.message, icon: 'none', duration: 1000 }) return } else if (res.data.status == 401){ wx.removeStorageSync('phone') wx.removeStorageSync('token') wx.showToast({ title: res.data.message, icon: 'none', duration: 1000, success:function(){ wx.navigateTo({ url: '../login/index', }) } }) return } else { //错误信息处理 wx.showToast({ title: '服务器错误，请联系客服', icon: 'none', duration: 1000 }) } }, fail: function (res) { // fail调用接口失败 reject({ error: '网络错误', code: 0 }); }, complete: function (res) { // complete } }) })} 有什么不懂的可以加我微信（18310911617）
备注（说明来意）