【功能评审】Bpm:审批签名
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@ -1,11 +1,8 @@
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<template>
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<el-dialog
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v-model="signDialogVisible"
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title="签名"
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width="935"
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>
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<el-dialog v-model="signDialogVisible" title="签名" width="935">
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<div class="position-relative">
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<Vue3Signature class="b b-solid b-gray" ref="signature" w="900px" h="400px"/>
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<Vue3Signature class="b b-solid b-gray" ref="signature" w="900px" h="400px" />
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<!-- @lesan:建议改成 unocss 哈 -->
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<el-button
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style="position: absolute; bottom: 20px; right: 10px"
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type="primary"
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@ -13,23 +10,21 @@
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size="small"
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@click="signature.clear()"
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>
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<Icon icon="ep:delete" class="mr-5px"/>
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<Icon icon="ep:delete" class="mr-5px" />
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清除
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</el-button>
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</div>
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<template #footer>
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<div class="dialog-footer">
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<el-button @click="signDialogVisible = false">取消</el-button>
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<el-button type="primary" @click="submit">
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提交
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</el-button>
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<el-button type="primary" @click="submit"> 提交 </el-button>
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</div>
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</template>
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</el-dialog>
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</template>
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<script setup lang="ts">
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import Vue3Signature from "vue3-signature"
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import Vue3Signature from 'vue3-signature'
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import * as FileApi from '@/api/infra/file'
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const message = useMessage() // 消息弹窗
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@ -39,25 +34,28 @@ const signature = ref()
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const open = async () => {
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signDialogVisible.value = true
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}
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defineExpose({open})
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defineExpose({ open })
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const emits = defineEmits(['success'])
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const submit = async () => {
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message.success('签名上传中请稍等。。。')
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const res = await FileApi.updateFile({file: base64ToFile(signature.value.save('image/png'), '签名')})
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const res = await FileApi.updateFile({
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file: base64ToFile(signature.value.save('image/png'), '签名')
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})
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emits('success', res.data)
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signDialogVisible.value = false
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}
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// TODO @lesan:这个要不抽到 download.js 里,让这个组件更简洁干净?
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const base64ToFile = (base64, fileName) => {
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// 将base64按照 , 进行分割 将前缀 与后续内容分隔开
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let data = base64.split(',');
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let data = base64.split(',')
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// 利用正则表达式 从前缀中获取图片的类型信息(image/png、image/jpeg、image/webp等)
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let type = data[0].match(/:(.*?);/)[1];
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let type = data[0].match(/:(.*?);/)[1]
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// 从图片的类型信息中 获取具体的文件格式后缀(png、jpeg、webp)
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let suffix = type.split('/')[1];
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let suffix = type.split('/')[1]
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// 使用atob()对base64数据进行解码 结果是一个文件数据流 以字符串的格式输出
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const bstr = window.atob(data[1]);
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const bstr = window.atob(data[1])
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// 获取解码结果字符串的长度
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let n = bstr.length
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// 根据解码结果字符串的长度创建一个等长的整形数字数组
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@ -74,11 +72,8 @@ const base64ToFile = (base64, fileName) => {
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type: type
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})
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// 将File文件对象返回给方法的调用者
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return file;
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return file
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}
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</script>
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<style scoped>
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</style>
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<style scoped></style>
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