Dcloud+mui 压缩上传图片到服务器

• chooseImgFromAlbums选择图片
• chooseImgFromPictures 拍照
• changeToLocalUrl 转换成可用的路径
• uploadpic.compressImg 压缩图片
• uploadpic.avatar 上传图片到oss服务器

    /*** 上传图片*/function UPLOADPIC() {//上传图片this.avatar = function(compressurl) {bzpcommon.showLoading();//上传的参数var uploadoptions = {method: "post",timeout: 30,retry: 3,retryInterval: 10,};//创建上传任务var task = plus.uploader.createUpload(bzpapi.API("FILE_UPLOAD"), uploadoptions, function(t, status) {//关闭loadingbzpcommon.closeWaiting();// 上传完成if(status == 200) {var body = JSON.parse(t.responseText);if(body.retCode === "SUCCESS") {$.toast("上传头像成功");$(".bzp-avatar")[0].src = compressurl;//更新个人信息//                      get_customer_detail();} else if(body.retCode === "FAIL") {$.toast(body.info.message);} else {$.toast("上传头像失败");}} else {$.toast("上传头像失败");}console.log("----图片上传返回值---");console.log(JSON.stringify(t));});task.addFile(compressurl, {key: "file"});task.addData("token", bzpcommon.user.token());task.start();};//压缩this.compressImg = function(src) {var filename = src.substring(src.lastIndexOf('/') + 1);var opions = {src: src,dst: '_doc/' + filename,overwrite: true,width: '300px', //这里指定了宽度，同样可以修改format: 'jpg',quality: 90 //图片质量不再修改，以免失真};var _this = this;//show loadingbzpcommon.showLoading();var successCB = function(evt) {console.log(JSON.stringify(evt));//上传头像_this.avatar(evt.target);};var errorCB = function(err) {console.log(JSON.stringify(err));bzpcommon.closeWaiting();$.toast("图片压缩失败");};plus.zip.compressImage(opions, successCB, errorCB);};};var uploadpic = new UPLOADPIC();//转换为本地路径function changeToLocalUrl(path) {plus.io.resolveLocalFileSystemURL(path, function(entry) {STATE.uploadPic = entry.toLocalURL();$(".bzp-avatar")[0].src = STATE.uploadPic;console.log(STATE.uploadPic);uploadpic.compressImg(STATE.uploadPic);});}//选择图片function chooseImgFromAlbums() {plus.gallery.pick(function(file) {changeToLocalUrl(file);}, function(err) {console.log(JSON.stringify(err));$.toast("选择图片失败");}, {filter: 'image',multiple: false});}//拍照function chooseImgFromPictures() {plus.camera.getCamera().captureImage(function(file) {changeToLocalUrl(file);}, function(err) {console.log(JSON.stringify(err));$.toast("选择图片失败");}, {index: '1',});}

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链接：https://www.jianshu.com/p/0a3ffccb2f11
來源：简书
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