feat: upload补充disabled禁用状态,新增剪裁功能

example/docs/zh-CN/components/upload.md

@@ -106,13 +106,13 @@ export default {
 
 :::
 
-::: title 自定义预览
+::: title 自定义预览/上传禁用
 :::
 
-::: demo 使用 `lay-upload` 标签, 使用 `#preview` 自定义预览的UI交互
+::: demo 使用 `lay-upload` 标签, 使用 `#preview` 自定义预览的UI交互,使用  `disabled` 添加上传禁用
 
 <template>
-  <lay-upload @done="getUploadFile2">
+  <lay-upload @done="getUploadFile2" :disabled="true">
     <template #preview>
       <div class="easy-wrap">
         <img src="https://chixian.oss-cn-hangzhou.aliyuncs.com/20211023003617_0706a.jpg" style="width:62.9px;height:63.2px"/>
@@ -141,6 +141,49 @@ export default {
 
 :::
 
+:::
+
+::: title 提供默认剪裁功能
+
+::: demo 使用 `lay-upload` 标签, 添加 `cut` 开启 选择文件后剪裁功能
+
+<template>
+  <lay-upload @cutdone="getCutDone" @cutcancel="getCutCancel" :cut="true" :multiple="false" @done="getFileDone">
+    <template #preview>
+      <div class="easy-wrap" v-if="cutUrl">
+        <img :src="cutUrl"/>
+      </div>
+    </template>
+  </lay-upload>
+</template>
+
+<script>
+import { ref } from 'vue'
+export default {
+  setup() {
+    const cutUrl = ref("");
+    const getCutDone=(res)=>{
+      console.log("getCutDone",res);
+      cutUrl.value = res.msg;
+    };
+    const getCutCancel=(res)=>{
+      console.log("getCutCancel",res);
+    };
+    const getFileDone=(res)=>{
+      console.log("getFileDone",res);
+    };
+    return {
+      getCutDone,
+      getCutCancel,
+      getFileDone,
+      cutUrl
+    }
+  }
+}
+</script>
+
+:::
+
 ::: title Upload 属性
 :::
 
@@ -157,6 +200,9 @@ export default {
 | multiple | 是否允许多文件上传。设置 true即可开启。不支持ie8/9 | boolean  | false  | -- |
 | number | 设置同时可上传的文件数量，一般配合 multiple 参数出现。 | number  | `0(不限制)`  | -- |
 | drag | 是否接受拖拽的文件上传，设置 false 可禁用。不支持ie8/9 | boolean  | true  | -- |
+| disabled | 设置文件禁用 | boolean  | false  | -- |
+| cut | 是否开启选择图片后检测,设置true可开启 | boolean  | false  | -- |
+| cutOptions | 开启剪裁的模态弹窗与剪裁框的配置 | object  | { layerOption,copperOption }  | -- |
 
 :::
 
@@ -182,7 +228,8 @@ export default {
 | before | 上传事务开启前的回调 | --   |
 | done | 上传事务结束的回调 | --   |
 | error | 上传事务中出现错误的回调 | --   |
-
+| cutdown | 剪裁完成 | --   |
+| cutclose | 剪裁取消 | --   |
 :::
 
 

package.json

@@ -43,6 +43,7 @@
     "@layui/layer-vue": "^1.3.11",
     "@vueuse/core": "^7.6.2",
     "async-validator": "^4.0.7",
+    "cropperjs": "^1.5.12",
     "darkreader": "^4.9.46",
     "evtd": "^0.2.3",
     "moment": "^2.29.1",

src/component/empty/index.vue

@@ -7,7 +7,7 @@ export default {
 <script setup lang="ts">
 import "./index.less";
 import { withDefaults } from "vue";
-import { String } from "src/types";
+import { String } from "../../types";
 
 export interface LayEmptyProps {
   description?: String;

src/component/input/index.vue

@@ -8,7 +8,7 @@ export default {
 import "./index.less";
 import { useSlots } from "vue";
 import { useI18n } from "vue-i18n";
-import { Boolean, String } from "src/types";
+import { Boolean, String } from "../../types";
 
 const { t } = useI18n();
 const slots = useSlots();

src/component/upload/cropper.min.css

@@ -0,0 +1,9 @@
+/*!
+ * Cropper.js v1.5.12
+ * https://fengyuanchen.github.io/cropperjs
+ *
+ * Copyright 2015-present Chen Fengyuan
+ * Released under the MIT license
+ *
+ * Date: 2021-06-12T08:00:11.623Z
+ */.cropper-container{direction:ltr;font-size:0;line-height:0;position:relative;-ms-touch-action:none;touch-action:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.cropper-container img{image-orientation:0deg;display:block;height:100%;max-height:none!important;max-width:none!important;min-height:0!important;min-width:0!important;width:100%}.cropper-canvas,.cropper-crop-box,.cropper-drag-box,.cropper-modal,.cropper-wrap-box{bottom:0;left:0;position:absolute;right:0;top:0}.cropper-canvas,.cropper-wrap-box{overflow:hidden}.cropper-drag-box{background-color:#fff;opacity:0}.cropper-modal{background-color:#000;opacity:.5}.cropper-view-box{display:block;height:100%;outline:1px solid #39f;outline-color:rgba(51,153,255,.75);overflow:hidden;width:100%}.cropper-dashed{border:0 dashed #eee;display:block;opacity:.5;position:absolute}.cropper-dashed.dashed-h{border-bottom-width:1px;border-top-width:1px;height:33.33333%;left:0;top:33.33333%;width:100%}.cropper-dashed.dashed-v{border-left-width:1px;border-right-width:1px;height:100%;left:33.33333%;top:0;width:33.33333%}.cropper-center{display:block;height:0;left:50%;opacity:.75;position:absolute;top:50%;width:0}.cropper-center:after,.cropper-center:before{background-color:#eee;content:" ";display:block;position:absolute}.cropper-center:before{height:1px;left:-3px;top:0;width:7px}.cropper-center:after{height:7px;left:0;top:-3px;width:1px}.cropper-face,.cropper-line,.cropper-point{display:block;height:100%;opacity:.1;position:absolute;width:100%}.cropper-face{background-color:#fff;left:0;top:0}.cropper-line{background-color:#39f}.cropper-line.line-e{cursor:ew-resize;right:-3px;top:0;width:5px}.cropper-line.line-n{cursor:ns-resize;height:5px;left:0;top:-3px}.cropper-line.line-w{cursor:ew-resize;left:-3px;top:0;width:5px}.cropper-line.line-s{bottom:-3px;cursor:ns-resize;height:5px;left:0}.cropper-point{background-color:#39f;height:5px;opacity:.75;width:5px}.cropper-point.point-e{cursor:ew-resize;margin-top:-3px;right:-3px;top:50%}.cropper-point.point-n{cursor:ns-resize;left:50%;margin-left:-3px;top:-3px}.cropper-point.point-w{cursor:ew-resize;left:-3px;margin-top:-3px;top:50%}.cropper-point.point-s{bottom:-3px;cursor:s-resize;left:50%;margin-left:-3px}.cropper-point.point-ne{cursor:nesw-resize;right:-3px;top:-3px}.cropper-point.point-nw{cursor:nwse-resize;left:-3px;top:-3px}.cropper-point.point-sw{bottom:-3px;cursor:nesw-resize;left:-3px}.cropper-point.point-se{bottom:-3px;cursor:nwse-resize;height:20px;opacity:1;right:-3px;width:20px}@media (min-width:768px){.cropper-point.point-se{height:15px;width:15px}}@media (min-width:992px){.cropper-point.point-se{height:10px;width:10px}}@media (min-width:1200px){.cropper-point.point-se{height:5px;opacity:.75;width:5px}}.cropper-point.point-se:before{background-color:#39f;bottom:-50%;content:" ";display:block;height:200%;opacity:0;position:absolute;right:-50%;width:200%}.cropper-invisible{opacity:0}.cropper-bg{background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAAA3NCSVQICAjb4U/gAAAABlBMVEXMzMz////TjRV2AAAACXBIWXMAAArrAAAK6wGCiw1aAAAAHHRFWHRTb2Z0d2FyZQBBZG9iZSBGaXJld29ya3MgQ1M26LyyjAAAABFJREFUCJlj+M/AgBVhF/0PAH6/D/HkDxOGAAAAAElFTkSuQmCC")}.cropper-hide{display:block;height:0;position:absolute;width:0}.cropper-hidden{display:none!important}.cropper-move{cursor:move}.cropper-crop{cursor:crosshair}.cropper-disabled .cropper-drag-box,.cropper-disabled .cropper-face,.cropper-disabled .cropper-line,.cropper-disabled .cropper-point{cursor:not-allowed}

src/component/upload/index.less

@@ -1,5 +1,5 @@
 @import (reference) "../../theme/variable.less";
-
+@import "./cropper.min.css";
 .layui-upload-file {
   // display: none !important;
   opacity: 0.01;
@@ -85,3 +85,17 @@
 .layui-btn-container .layui-upload-choose {
   padding-left: 0;
 }
+
+.layui-upload-drag-disable{
+  opacity:0.8;
+  z-index:1;
+  cursor: not-allowed;
+}
+
+.copper-container{
+  // width:1000px;
+}
+._lay_upload_img{
+  display: block;
+  max-width: 100%;
+}

src/component/upload/index.vue

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