vue3+ts 前端实现打印功能

1.安装插件
npm install vue3-print-nb --save
2.全局引用
import { createApp } from ‘vue’
import App from ‘./App.vue’
import print from ‘vue3-print-nb’
const app = createApp(App)
app.use(print)
app.mount(‘#app’)
例子

<template><div><el-dialog v-model="jfDialogVisible" title="机房出入详情" width="60%" @close="close"><div id="a"><img class="pass" v-if="params.applyStatus == '2'" src="../../../assets/images/pass.png" /><div class="title">申请信息：</div><table><tr><th width="80px">申请单号：</th><td>{{ params.applyNumber }}</td><th>状态：</th><td>{{ applyStatusEnum[params.applyStatus] }}</td></tr><tr><th width="80px">申请时间：</th><td>{{ params.applyTime }}</td><th>缓急：</th><td>{{ urgentFlagData[params.urgentFlag] }}</td></tr><tr><th>申请人：</th><td>{{ params.applyUserName }}</td><th width="80px">联系电话：</th><td>{{ params.mobilePhone }}</td></tr><tr><th width="120px">所属单位团队：</th><td colspan="3">{{ params.unitTeam }}</td></tr><tr><th width="80px">机房名称：</th><td colspan="3">{{ params.roomName }}</td></tr><tr><th width="80px">机房地址：</th><td colspan="3">{{ params.roomAddress }}</td></tr><tr><th>申请出入时间：</th><td colspan="3">{{ params.accessBegin }}至{{ params.accessEnd }}</td></tr><tr><th width="80px">工作内容：</th><td colspan="3">{{ params.jobContent }}</td></tr><tr><th width="80px">携带物资：</th><td colspan="3">{{ params.bring }}</td></tr></table><div class="title">通行人员名单:</div><table><tr><th width="50px">序号</th><th width="50px">姓名</th><th width="50px">性别</th><th width="150px">单位</th><th width="150px">身份证号码</th><th>备注</th></tr><tr v-for="(item, index) in passList" :key="index"><td>{{ index + 1 }}</td><td>{{ item.name }}</td><td>{{ genderData[item.gender] }}</td><td>{{ item.unit }}</td><td>{{ item.sfz }}</td><td>{{ item.remark }}</td></tr><tr class="no-data-row" v-if="passList.length == 0"><td colspan="6">暂无数据</td></tr></table><div class="title">机房通行信息：</div><table><tr><th width="120px">同意出入时间：</th><td>{{ params.passtimeBegin }}至{{ params.passtimeEnd }}</td><th>机房联系电话：</th><td>{{ params.roomPhone }}</td></tr><tr><th width="80px">陪同人员：</th><td>{{ params.escortUser }}</td><th width="120px">陪同人员电话：</th><td>{{ params.escortPhone }}</td></tr><tr><th width="80px">其他安排：</th><td colspan="3">{{ params.remark }}</td></tr></table><div class="title">申请/审核过程：</div><table><tr><th width="100px">流程节点</th><th width="80px">经办人</th><th width="80px">办理结果</th><th>建议/意见</th><th width="180px">办理时间</th></tr><tr v-for="(item, index) in hdxqData" :key="index"><td>{{ item.jdm }}</td><td>{{ item.jbr }}</td><td>{{ item.bljg }}</td><td>{{ item.shyj }}</td><td>{{ item.qssj }}</td></tr><tr class="no-data-row" v-if="hdxqData.length == 0"><td colspan="5">暂无数据</td></tr></table></div><template #footer><span class="dialog-footer"><el-button @click="jfDialogVisible = false">取消</el-button><el-button type="primary" v-print="printObj">打印 </el-button></span></template></el-dialog></div>
</template><script setup lang="ts">
import { getRoomApplyByApplyId } from "@/api/modules/roomApplyApi/applyApi";
import { queryDictEnum, queryDictData } from "@/api/modules/system/dictApi";
import { loadHdxqList } from "@/api/modules/workflow/jylcApi";
import { dayjs } from "element-plus";
const jfDialogVisible = ref(false);
const passList = ref<any>([]);
const hdxqData = ref<any>([]);
interface Props {ywbh?: any;
}
//打印的属性设置
const printObj = ref({id: "a", // 这里是要打印元素的IDpopTitle: "&nbsp;", // 打印的标题extraCss: "", // 打印可引入外部的一个 css 文件extraHead: `<style>.extra-head-text {text-align: center;font-weight: bold;font-size: 20px;}</style><div class="extra-head-text">机房出入申请单明细</div>` // 打印头部文字
});const props = defineProps<Props>();
const emit = defineEmits(["hide"]);
const close = () => {emit("hide");jfDialogVisible.value = false;
};
const params = ref();
//获取打印信息
const jfDialog = (val: any) => {getRoomApplyByApplyId(val).then((res: any) => {params.value = res.data;params.value.accessBegin = dayjs(params.value.accessBegin).format("YYYY年MM月DD日");params.value.accessEnd = dayjs(params.value.accessEnd).format("YYYY年MM月DD日");params.value.passtimeBegin = dayjs(params.value.passtimeBegin).format("YYYY年MM月DD日");params.value.passtimeEnd = dayjs(params.value.passtimeEnd).format("YYYY年MM月DD日");passList.value = res.data.passersList;});jfDialogVisible.value = true;loadHdxqData();
};
//获取审核信息列表
const loadHdxqData = async () => {const res = await loadHdxqList(props.ywbh);if (res.code === 200) {hdxqData.value = res.data as any;}
};const applyStatusEnum = ref<any>({});
//获取通知公告状态
const getApplyStatus = () => {queryDictEnum("RoomApplyStatusEnum_wos-workorder").then((res: any) => {res.data.forEach((item: any) => {applyStatusEnum.value[item.value] = item.label;});});
};
const urgentFlagData = ref<any>({});
const genderData = ref<any>({});
//获取缓急程度
const getUrgentFlag = () => {queryDictData("URGENT").then((res: any) => {res.data.forEach((item: any) => {urgentFlagData.value[item.value] = item.label;});});
};
//获取性别
const getGender = () => {queryDictData("COMMON_GENDER").then((res: any) => {res.data.forEach((item: any) => {genderData.value[item.value] = item.label;});});
};
getGender();
getUrgentFlag();
getApplyStatus();
defineExpose({jfDialog
});
</script>
<style scoped lang="scss">
.title {margin: 10px 0;font-weight: bold;font-size: 15px;
}
.no-data-row td {text-align: center;font-weight: bold;color: gray;height: 200px;
}
table {border-collapse: collapse;width: 100%;
}table,
th,
td {border: 1px solid gray;
}
#a {position: relative;
}
.pass {position: absolute;top: 25px;right: 0px;opacity: 0.4;
}
th,
td {padding: 8px;text-align: left;
}
</style>