130 lines
3.0 KiB
Plaintext
130 lines
3.0 KiB
Plaintext
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export { xFileSListType } from "../interface"
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export type fileListType = xFileSListType;
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type xFileSNameTYpe = {
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name:string,
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type:string,
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uri:string,
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id:string,
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file:any,
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size:number,
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status:number
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}
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// type callReadBackFun = (byte:ByteArray)=>void
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/**
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* 由于安卓隐私的问题。实际得到的所有文件 其实 都不是真实地址。因此你想要得到真实的地址，你就得复制到你的应用沙盒中。
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*/
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export class xFileSystem {
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mimeTypeFilter = [] as string[];
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filelist = [] as xFileSNameTYpe[]
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inputDom:null|HTMLInputElement = null;
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multiple:boolean = true;
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maxFileSize:number = 30*1024*1024
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constructor(typeFilter:string|null,tempmultiple:boolean|null,maxSize:number|null){
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if(typeFilter!=null){
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let filter : string[] = [] as string[];
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let tms = typeFilter! as string[]
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for (let i = 0; i < tms.length; i++) {
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filter.push("."+tms[i])
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}
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if(filter.length==0){
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filter.push("*/*")
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}
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this.mimeTypeFilter = filter
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}
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if(tempmultiple!=null){
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this.multiple = tempmultiple!
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}
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if(maxSize!=null){
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this.maxFileSize = maxSize!
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}
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}
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isInfilelist(file:xFileSNameTYpe):boolean{
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return this.filelist.some((el):boolean=>{
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return el.name==file.name&&el.type==file.type
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})
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}
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destory(){
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}
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openDocument(call:(list:fileListType[])=>void){
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if(this.inputDom!=null){
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this.inputDom!.remove()
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}
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let _this = this;
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let inputdom = document.createElement("input")
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inputdom.type = 'file';
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inputdom.accept = this.mimeTypeFilter.join(", ");
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inputdom.style.setProperty('position','absolute')
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inputdom.style.setProperty('left','-200%')
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inputdom.style.setProperty('top','-200%')
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inputdom.style.setProperty('opacity','0')
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if(this.multiple){
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inputdom.multiple = "multiple"
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}
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inputdom.onchange = function(evt){
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let filelist = inputdom.files||[] as File[];
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for(let i=0;i<filelist.length;i++){
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let item = filelist[i];
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let fileitem = {
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name:item.name,
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type:item.type.substring(item.type.lastIndexOf("/")+1),
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uri:"",
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id:Math.floor(Math.random() * 1 * Math.floor(Math.random() * Date.now())).toString().substring(0, 10),
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file:item
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size:item.size,
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status:item.size>_this.maxFileSize?4:0
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} as xFileSNameTYpe
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if(!_this.isInfilelist(fileitem)){
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_this.filelist.push(fileitem)
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}
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}
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call(_this.filelist.map((el)=>{
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return {
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name:el.name,
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type:el.type,
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file:el.file,
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id:el.id,
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request:null,
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realFilePath:"",
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cacheFilePath:"",
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size:el.size,
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status:el.size>_this.maxFileSize?4:0
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}
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}))
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}
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inputdom.click()
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}
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/**
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* 删除一个文件条目
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* @param {string} id - 文件id
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* @returns {fileListType[]} 最新的文件列表
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*/
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remove(id:string):fileListType[]{
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return [] as fileListType[]
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}
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/**
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* 返回一个空文件列表数组
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*/
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clear():fileListType[]{
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this.filelist = [] as xFileSNameTYpe[];
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return [] as fileListType[]
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}
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copyFileToPath(item:fileListType,path:string):Promise<fileListType|null>{
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return Promise.resolve(item)
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}
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} |