| 提交 | 用户 | 时间 | ||
| fd2207 | 1 | <template> |
| 懒 | 2 | <div class="component-upload-image"> |
| 3 | <el-upload | |
| 4 | multiple | |
| 5 | :action="uploadImgUrl" | |
| 6 | list-type="picture-card" | |
| 7 | :on-success="handleUploadSuccess" | |
| 8 | :before-upload="handleBeforeUpload" | |
| 9 | :limit="limit" | |
| 10 | :on-error="handleUploadError" | |
| 11 | :on-exceed="handleExceed" | |
| 12 | ref="imageUpload" | |
| 13 | :on-remove="handleDelete" | |
| 14 | :show-file-list="true" | |
| 15 | :headers="headers" | |
| 16 | :file-list="fileList" | |
| 17 | :on-preview="handlePictureCardPreview" | |
| 18 | :class="{hide: this.fileList.length >= this.limit}" | |
| 19 | > | |
| 20 | <i class="el-icon-plus"></i> | |
| 21 | </el-upload> | |
| 22 | ||
| 23 | <!-- 上传提示 --> | |
| 24 | <div class="el-upload__tip" slot="tip" v-if="showTip"> | |
| 25 | 请上传 | |
| 26 | <template v-if="fileSize"> 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b> </template> | |
| 27 | <template v-if="fileType"> 格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b> </template> | |
| 28 | 的文件 | |
| 29 | </div> | |
| 30 | ||
| 31 | <el-dialog | |
| 32 | :visible.sync="dialogVisible" | |
| 33 | title="预览" | |
| 34 | width="800" | |
| 35 | append-to-body | |
| 36 | > | |
| 37 | <img | |
| 38 | :src="dialogImageUrl" | |
| 39 | style="display: block; max-width: 100%; margin: 0 auto" | |
| 40 | /> | |
| 41 | </el-dialog> | |
| 42 | </div> | |
| 43 | </template> | |
| 44 | ||
| 45 | <script> | |
| 46 | import { getToken } from "@/utils/auth"; | |
| 47 | ||
| 48 | export default { | |
| 49 | props: { | |
| 50 | value: [String, Object, Array], | |
| 51 | // 图片数量限制 | |
| 52 | limit: { | |
| 53 | type: Number, | |
| 54 | default: 5, | |
| 55 | }, | |
| 56 | // 大小限制(MB) | |
| 57 | fileSize: { | |
| 58 | type: Number, | |
| 59 | default: 5, | |
| 60 | }, | |
| 61 | // 文件类型, 例如['png', 'jpg', 'jpeg'] | |
| 62 | fileType: { | |
| 63 | type: Array, | |
| 64 | default: () => ["png", "jpg", "jpeg"], | |
| 65 | }, | |
| 66 | // 是否显示提示 | |
| 67 | isShowTip: { | |
| 68 | type: Boolean, | |
| 69 | default: true | |
| 70 | } | |
| 71 | }, | |
| 72 | data() { | |
| 73 | return { | |
| 74 | number: 0, | |
| 75 | uploadList: [], | |
| 76 | dialogImageUrl: "", | |
| 77 | dialogVisible: false, | |
| 78 | hideUpload: false, | |
| 79 | baseUrl: process.env.VUE_APP_BASE_API, | |
| 80 | uploadImgUrl: process.env.VUE_APP_BASE_API + "/common/upload", // 上传的图片服务器地址 | |
| 81 | headers: { | |
| 82 | Authorization: "Bearer " + getToken(), | |
| 83 | }, | |
| 84 | fileList: [] | |
| 85 | }; | |
| 86 | }, | |
| 87 | watch: { | |
| 88 | value: { | |
| 89 | handler(val) { | |
| 90 | if (val) { | |
| 91 | // 首先将值转为数组 | |
| 92 | const list = Array.isArray(val) ? val : this.value.split(','); | |
| 93 | // 然后将数组转为对象数组 | |
| 94 | this.fileList = list.map(item => { | |
| 95 | if (typeof item === "string") { | |
| 96 | if (item.indexOf(this.baseUrl) === -1) { | |
| 97 | item = { name: this.baseUrl + item, url: this.baseUrl + item }; | |
| 98 | } else { | |
| 99 | item = { name: item, url: item }; | |
| 100 | } | |
| 101 | } | |
| 102 | return item; | |
| 103 | }); | |
| 104 | } else { | |
| 105 | this.fileList = []; | |
| 106 | return []; | |
| 107 | } | |
| 108 | }, | |
| 109 | deep: true, | |
| 110 | immediate: true | |
| 111 | } | |
| 112 | }, | |
| 113 | computed: { | |
| 114 | // 是否显示提示 | |
| 115 | showTip() { | |
| 116 | return this.isShowTip && (this.fileType || this.fileSize); | |
| 117 | }, | |
| 118 | }, | |
| 119 | methods: { | |
| 120 | // 上传前loading加载 | |
| 121 | handleBeforeUpload(file) { | |
| 122 | let isImg = false; | |
| 123 | if (this.fileType.length) { | |
| 124 | let fileExtension = ""; | |
| 125 | if (file.name.lastIndexOf(".") > -1) { | |
| 126 | fileExtension = file.name.slice(file.name.lastIndexOf(".") + 1); | |
| 127 | } | |
| 128 | isImg = this.fileType.some(type => { | |
| 129 | if (file.type.indexOf(type) > -1) return true; | |
| 130 | if (fileExtension && fileExtension.indexOf(type) > -1) return true; | |
| 131 | return false; | |
| 132 | }); | |
| 133 | } else { | |
| 134 | isImg = file.type.indexOf("image") > -1; | |
| 135 | } | |
| 136 | ||
| 137 | if (!isImg) { | |
| 138 | this.$modal.msgError(`文件格式不正确, 请上传${this.fileType.join("/")}图片格式文件!`); | |
| 139 | return false; | |
| 140 | } | |
| 141 | if (this.fileSize) { | |
| 142 | const isLt = file.size / 1024 / 1024 < this.fileSize; | |
| 143 | if (!isLt) { | |
| 144 | this.$modal.msgError(`上传头像图片大小不能超过 ${this.fileSize} MB!`); | |
| 145 | return false; | |
| 146 | } | |
| 147 | } | |
| 148 | this.$modal.loading("正在上传图片，请稍候..."); | |
| 149 | this.number++; | |
| 150 | }, | |
| 151 | // 文件个数超出 | |
| 152 | handleExceed() { | |
| 153 | this.$modal.msgError(`上传文件数量不能超过 ${this.limit} 个!`); | |
| 154 | }, | |
| 155 | // 上传成功回调 | |
| 156 | handleUploadSuccess(res, file) { | |
| 157 | if (res.code === 200) { | |
| 158 | this.uploadList.push({ name: res.fileName, url: res.fileName }); | |
| 159 | this.uploadedSuccessfully(); | |
| 160 | } else { | |
| 161 | this.number--; | |
| 162 | this.$modal.closeLoading(); | |
| 163 | this.$modal.msgError(res.msg); | |
| 164 | this.$refs.imageUpload.handleRemove(file); | |
| 165 | this.uploadedSuccessfully(); | |
| 166 | } | |
| 167 | }, | |
| 168 | // 删除图片 | |
| 169 | handleDelete(file) { | |
| 170 | const findex = this.fileList.map(f => f.name).indexOf(file.name); | |
| 171 | if (findex > -1) { | |
| 172 | this.fileList.splice(findex, 1); | |
| 173 | this.$emit("input", this.listToString(this.fileList)); | |
| 174 | } | |
| 175 | }, | |
| 176 | // 上传失败 | |
| 177 | handleUploadError() { | |
| 178 | this.$modal.msgError("上传图片失败，请重试"); | |
| 179 | this.$modal.closeLoading(); | |
| 180 | }, | |
| 181 | // 上传结束处理 | |
| 182 | uploadedSuccessfully() { | |
| 183 | if (this.number > 0 && this.uploadList.length === this.number) { | |
| 184 | this.fileList = this.fileList.concat(this.uploadList); | |
| 185 | this.uploadList = []; | |
| 186 | this.number = 0; | |
| 187 | this.$emit("input", this.listToString(this.fileList)); | |
| 188 | this.$modal.closeLoading(); | |
| 189 | } | |
| 190 | }, | |
| 191 | // 预览 | |
| 192 | handlePictureCardPreview(file) { | |
| 193 | this.dialogImageUrl = file.url; | |
| 194 | this.dialogVisible = true; | |
| 195 | }, | |
| 196 | // 对象转成指定字符串分隔 | |
| 197 | listToString(list, separator) { | |
| 198 | let strs = ""; | |
| 199 | separator = separator || ","; | |
| 200 | for (let i in list) { | |
| 201 | if (list[i].url) { | |
| 202 | strs += list[i].url.replace(this.baseUrl, "") + separator; | |
| 203 | } | |
| 204 | } | |
| 205 | return strs != '' ? strs.substr(0, strs.length - 1) : ''; | |
| 206 | } | |
| 207 | } | |
| 208 | }; | |
| 209 | </script> | |
| 210 | <style scoped lang="scss"> | |
| 211 | // .el-upload--picture-card 控制加号部分 | |
| 212 | ::v-deep.hide .el-upload--picture-card { | |
| 213 | display: none; | |
| 214 | } | |
| 215 | // 去掉动画效果 | |
| 216 | ::v-deep .el-list-enter-active, | |
| 217 | ::v-deep .el-list-leave-active { | |
| 218 | transition: all 0s; | |
| 219 | } | |
| 220 | ||
| 221 | ::v-deep .el-list-enter, .el-list-leave-active { | |
| 222 | opacity: 0; | |
| 223 | transform: translateY(0); | |
| 224 | } | |
| 225 | </style> | |
| 226 | ||
