1 line
2.6 KiB
JavaScript
1 line
2.6 KiB
JavaScript
import validator from"../behaviors/validator";Component({externalClasses:["l-class","l-item-class"],behaviors:["wx://form-field",validator],properties:{urls:{type:Array,value:[]},count:{type:[String,Number],value:9},clear:{type:Boolean,value:!1,observer:function(e){e&&this.handleClear()}},size:{type:[String,Number],value:3,options:[3,4,"3","4"]},sizeType:{type:String,value:"original",options:["original","compressed"]},mode:{type:String,value:"aspectFit",options:["scaleToFill","aspectFit","aspectFill","widthFix","top","bottom","center","left","right","top left","top right","bottom left","bottom right"]},custom:{type:Boolean,value:!1},preview:{type:Boolean,value:!0},maxImageSize:{type:Number,value:1e7}},data:{showBtn:!0,tempFilePath:""},lifetimes:{attached:function(){const e=this.judgeNewOrOld();this.setData({newOrOld:e}),"old"===e&&console.warn("image-picker组件已经升级，建议使用最新版本，当前用法会在后续版本中暂停支持")}},methods:{handleClear(){let e=this.data.urls;this.setData({urls:[],clear:!1,showBtn:!0});let t={all:e,current:e};this.triggerEvent("linclear",t,{})},onPreviewTap(e){const t=e.currentTarget.dataset.index,a=this.data.urls;let l="",i=[];if("old"===this.data.newOrOld)l=this.data.urls[t],i=this.data.urls;else{l=this.data.urls[t].url;for(let e=0;e<a.length;e++)i.push(a[e].url)}let r={index:t,current:a[t],all:a};!0===this.data.preview&&wx.previewImage({current:l,urls:i}),this.triggerEvent("linpreview",r,{})},onAddTap(){const e=this,t=this.data.count-this.data.urls.length;if(0===t)return;const a=this.data.newOrOld;wx.chooseImage({count:t,sizeType:this.data.sizeType,sourceType:["album","camera"],success(t){let l=[];if("old"===a)l=t.tempFilePaths;else for(let a=0;a<t.tempFilePaths.length;a++)l.push({url:t.tempFilePaths[a],imageSize:t.tempFiles[a].size}),l[a].overSize=t.tempFiles[a].size>e.data.maxImageSize;const i=e.data.urls.concat(l);i.length===parseInt(e.data.count)&&e.setData({showBtn:!1}),e.setData({urls:i,value:i,tempFilePath:l});let r={current:l,all:i},s={};e.triggerEvent("linchange",r,s),e.triggerEvent("linpush",r,s);let n=[];for(let e=0;e<i.length;e++)i[e].overSize&&n.push(i[e]);if(n.length>0){let t={current:l,all:i,overSizeList:n};e.triggerEvent("linoversize",t,s)}}})},onDelTap(e){const t=e.currentTarget.dataset.index,a=this.data.urls,l=a[t],i=this.handleSplice(a,l);i.length<parseInt(this.data.count)&&this.setData({showBtn:!0}),this.setData({tempFilePath:l,urls:i,value:i});let r={index:t,current:l,all:i};this.triggerEvent("linremove",r,{})},handleSplice:(e,t)=>e.filter(e=>e!==t),judgeNewOrOld:function(){const e=this.data.urls;return 0!==e.length&&"object"!=typeof e[0]?"old":"new"}}}); |