feat: upload补充disabled禁用状态,新增剪裁功能
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lockingreal
@@ -7,11 +7,40 @@ export default {
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import "./index.less";
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import { Recordable } from "../../types";
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import { layer } from "@layui/layer-vue";
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import { ref, useSlots, withDefaults } from "vue";
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import { computed, ComputedRef, getCurrentInstance, nextTick, ref, toRaw, useSlots, withDefaults } from "vue";
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import { templateRef } from "@vueuse/core";
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import { LayLayer } from "@layui/layer-vue";
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import Cropper from "cropperjs";
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// 组件的参数字段类型
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//https://www.layuiweb.com/doc/modules/upload.html#options
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export interface LayerButton{
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text:string;
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callback:Function
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}
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export interface LayerModal{
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title?:string;
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resize?:boolean;
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move?:boolean;
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maxmin?:boolean;
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offset?:string[];
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content?:string;
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shade?:boolean;
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shadeClose?:boolean;
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shadeOpacity?:number;
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zIndex?:number;
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type?:"component"|"iframe";
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closeBtn?:boolean;
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area:string[],
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btn?:LayerButton[];
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btnAlign?:"l"|"r"|"c";
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anim?:boolean;
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isOutAnim?:boolean;
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}
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export interface cutOptions{
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layerOption:LayerModal;
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copperOption?:typeof Cropper
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}
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export interface LayUploadProps {
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url?: string;
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data?: any;
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@@ -22,8 +51,53 @@ export interface LayUploadProps {
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multiple?: boolean;
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number?: number;
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drag?: boolean;
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}
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disabled?:boolean;
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cut?:boolean;
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cutOptions:cutOptions;
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};
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const getCutDownResult=()=>{
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if(_cropper){
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const canvas = _cropper.getCroppedCanvas();
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let imgData = canvas.toDataURL('"image/png"');
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let currentTimeStamp = new Date().valueOf();
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emit("cutdone",Object.assign({ currentTimeStamp, msg:imgData }));
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let newFile = dataURLtoFile(imgData);
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console.log(newFile);
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commonUploadTransaction([newFile]);
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nextTick(()=>clearAllCutEffect());
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}else{
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errorF(cutInitErrorMsg);
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}
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};
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const closeCutDownModal =()=>{
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console.log("closeCutDownModal");
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let currentTimeStamp = new Date().valueOf();
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emit("cutcancel",Object.assign({ currentTimeStamp }));
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nextTick(()=>clearAllCutEffect());
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}
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const clearAllCutEffect=()=>{
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activeUploadFiles.value = [];
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activeUploadFilesImgs.value = [];
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innerCutVisible.value = false;
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console.log("clearAllCutEffect");
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};
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let defaultCutLayerOption:LayerModal = {
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title:"标题",
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move:true,
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maxmin:false,
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offset:[],
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btn:[
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{ text:"导出",callback:getCutDownResult },
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{ text:"取消" ,callback:closeCutDownModal }
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],
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area:["640px","640px"],
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content:"11",
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shade:true,
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shadeClose:true,
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type:"component"
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};
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const props = withDefaults(defineProps<LayUploadProps>(), {
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acceptMime: "images",
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field: "file",
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@@ -31,22 +105,39 @@ const props = withDefaults(defineProps<LayUploadProps>(), {
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multiple: false,
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number: 0,
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drag: false,
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disabled:false,
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cut:false,
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cutOptions:void 0
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});
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const slot = useSlots();
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const slots = slot.default && slot.default();
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const emit = defineEmits(["choose", "before", "done", "error"]);
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const context = getCurrentInstance();
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const emit = defineEmits(["choose", "before", "done", "error","cutdone","cutcancel"]);
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// 内部变量
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const isDragEnter = ref(false);
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// 待处理的上传文件
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const activeUploadFiles = ref<any[]>([]);
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// 待处理的上传图片
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const activeUploadFilesImgs = ref<any[]>([]);
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const orgFileInput = templateRef<HTMLElement>("orgFileInput");
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let _cropper:any = null;
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let computedCutLayerOption:ComputedRef<LayerModal>;
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if(props.cutOptions&&props.cutOptions.layerOption){
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computedCutLayerOption = computed(()=>Object.assign(defaultCutLayerOption,props.cutOptions.layerOption));
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}else{
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computedCutLayerOption = computed(()=>defaultCutLayerOption);
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}
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// 统一异常提示的常量
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const defaultErrorMsg = "上传失败";
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const urlErrorMsg = "上传地址格式不合法";
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const numberErrorMsg = "文件上传超过规定的个数";
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const sizeErrorMsg = "文件大小超过限制";
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const uploadRemoteErrorMsg = "请求上传接口出现异常";
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const cutInitErrorMsg = "剪裁插件初始化失败";
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// 统一成功提示
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const uploadSuccess = "上传成功";
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//内部方法 -> start
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@@ -56,6 +147,8 @@ interface localUploadTransaction {
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files: File[] | Blob[];
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[propMame: string]: any;
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}
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const innerCutVisible = ref<boolean>(false);
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const localUploadTransaction = (option: localUploadTransaction) => {
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const { url, files } = option;
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let formData = new FormData();
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@@ -88,6 +181,20 @@ interface localUploadOption {
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url: string;
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[propMame: string]: any;
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}
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const dataURLtoFile=(dataurl:string)=> {
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let arr:any[] = dataurl.split(',');
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let mime:string = "";
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if(arr.length>0){
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mime = arr[0].match(/:(.*?);/)[1];
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}
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let bstr = atob(arr[1]);
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let n = bstr.length;
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let u8arr = new Uint8Array(n);
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while(n--){
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u8arr[n] = bstr.charCodeAt(n);
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}
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return new Blob([u8arr], {type:mime});
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};
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const errorF = (errorText: string) => {
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let currentTimeStamp = new Date().valueOf();
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@@ -139,7 +246,13 @@ const localUpload = (option: localUploadOption, callback: Function) => {
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cb();
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}
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};
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const filetoDataURL=(file:File,fn:Function)=>{
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const reader = new FileReader();
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reader.onloadend = function(e:any){
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fn(e.target.result);
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};
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reader.readAsDataURL(file);
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};
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const getUploadChange = (e: any) => {
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const files = e.target.files;
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const _files = [...files];
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@@ -165,17 +278,42 @@ const getUploadChange = (e: any) => {
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_sizeErrorFile.name
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} ${sizeErrorMsg},文件最大不可超过${props.size * 1000}kb`;
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errorF(errorMsg);
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return;
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}
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}
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}
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if (props.url) {
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// 表单提交
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for(let item of _files){
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activeUploadFiles.value.push(item);
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filetoDataURL(item,function(res:any){
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activeUploadFilesImgs.value.push(res);
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});
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}
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let arm1 = props.cut&&props.acceptMime=="images"&&!props.multiple;
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let arm2 = props.cut&&props.acceptMime=="images"&&props.multiple;
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if(arm1){
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innerCutVisible.value = true;
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setTimeout(()=>{
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let _imgs = document.getElementsByClassName("_lay_upload_img");
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console.log("293",_imgs);
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let _img = _imgs[0];
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_cropper = new Cropper(_img, {
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aspectRatio: 16 / 9,
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});
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},400);
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}else{
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if(arm2){
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console.warn("layui-vue:当前版本暂不支持单次多文件剪裁,尝试设置 multiple 为false,通过@done获取返回文件对象");
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}
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commonUploadTransaction(_files);
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}
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};
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const commonUploadTransaction=(_files:any[])=>{
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if(props.url){
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localUploadTransaction({
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url: props.url,
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files: _files,
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files: _files
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});
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} else {
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// 抛出上传文件信息
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}else{
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emit("done", _files);
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}
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};
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@@ -191,17 +329,8 @@ const clickOrgInput = () => {
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//console.log(currentTimeStamp);
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emit("choose", currentTimeStamp);
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};
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const uploadDragOver = (e: any) => {};
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const uploadDragDrop = (e: any) => {
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isDragEnter.value = false;
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console.log(e);
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};
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const uploadDragStop = (e: any) => {};
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const uploadDragEnter = (e: any) => {
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isDragEnter.value = true;
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};
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const uploadDragLeave = (e: any) => {
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isDragEnter.value = false;
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const cutTransaction =()=>{
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};
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//内部方法 -> end
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</script>
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@@ -216,11 +345,12 @@ const uploadDragLeave = (e: any) => {
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:name="field"
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@change="getUploadChange"
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:field="field"
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:disabled="disabled"
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ref="orgFileInput"
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/>
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<div v-if="!drag">
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<div class="layui-upload-btn-box">
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<lay-button type="primary" @click.stop="chooseFile"
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<lay-button type="primary" @click.stop="chooseFile" :disabled="disabled"
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>上传图片</lay-button
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>
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</div>
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@@ -228,11 +358,7 @@ const uploadDragLeave = (e: any) => {
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<div
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v-else
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class="layui-upload-drag"
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:class="isDragEnter ? 'layui-upload-drag-draging' : ''"
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@dragleave.stop="uploadDragLeave"
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@dragenter.stop="uploadDragEnter"
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@dragover.stop="uploadDragOver"
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@drop="uploadDragDrop"
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:class="disabled?'layui-upload-drag-disable':isDragEnter ? 'layui-upload-drag-draging' : ''"
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@click.stop="chooseFile"
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>
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<i class="layui-icon"></i>
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@@ -242,6 +368,25 @@ const uploadDragLeave = (e: any) => {
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<img src="" alt="上传成功后渲染" style="max-width: 196px" />
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</div>
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</div>
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<lay-layer
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:title="computedCutLayerOption.title"
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:move="computedCutLayerOption.move"
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:resize="computedCutLayerOption.resize"
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:shade="computedCutLayerOption.shade"
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:shadeClose="computedCutLayerOption.shadeClose"
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:shadeOpacity="computedCutLayerOption.shadeOpacity"
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:zIndex="computedCutLayerOption.zIndex"
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:btnAlign="computedCutLayerOption.btnAlign"
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:area="computedCutLayerOption.area"
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:anim="computedCutLayerOption.anim"
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:isOutAnim="computedCutLayerOption.isOutAnim"
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:btn="computedCutLayerOption.btn"
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v-model="innerCutVisible" @close="clearAllCutEffect">
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<div class="copper-container" v-for="(base64str,index) in activeUploadFilesImgs" :key="`file${index}`">
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<img :src="base64str" :id="`_lay_upload_img${index}`" class="_lay_upload_img">
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</div>
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</lay-layer>
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<div class="layui-upload-list">
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<slot name="preview"></slot>
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</div>
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