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Vue集成lodop插件實(shí)現(xiàn)打印功能

更新時(shí)間：2023年01月30日 11:32:47 作者：廷賀

lodop 取意自“l(fā)oad or print”，是一款優(yōu)秀的 Web 打印控件。本文將在Vue中集成lodop插件實(shí)現(xiàn)打印功能，感興趣的小伙伴可以了解一下

VUE簡(jiǎn)單使用lodop

1.創(chuàng)建LodopFuncs.js文件

js 內(nèi)容如下

//==本JS是加載Lodop插件及CLodop服務(wù)的綜合示例，可直接使用，建議看懂后融進(jìn)自己頁(yè)面程序==

var CreatedOKLodopObject, CLodopIsLocal, CLodopJsState;

//==判斷是否需要CLodop(那些不支持插件的瀏覽器):==
export function needCLodop() {
    try {
        var ua = navigator.userAgent;
        if (ua.match(/Windows\sPhone/i))
            return true;
        if (ua.match(/iPhone|iPod|iPad/i))
            return true;
        if (ua.match(/Android/i))
            return true;
        if (ua.match(/Edge\D?\d+/i))
            return true;

        var verTrident = ua.match(/Trident\D?\d+/i);
        var verIE = ua.match(/MSIE\D?\d+/i);
        var verOPR = ua.match(/OPR\D?\d+/i);
        var verFF = ua.match(/Firefox\D?\d+/i);
        var x64 = ua.match(/x64/i);
        if ((!verTrident) && (!verIE) && (x64))
            return true;
        else if (verFF) {
            verFF = verFF[0].match(/\d+/);
            if ((verFF[0] >= 41) || (x64))
                return true;
        } else if (verOPR) {
            verOPR = verOPR[0].match(/\d+/);
            if (verOPR[0] >= 32)
                return true;
        } else if ((!verTrident) && (!verIE)) {
            var verChrome = ua.match(/Chrome\D?\d+/i);
            if (verChrome) {
                verChrome = verChrome[0].match(/\d+/);
                if (verChrome[0] >= 41)
                    return true;
            }
        }
        return false;
    } catch (err) {
        return true;
    }
}

//==加載引用CLodop的主JS,用雙端口8000和18000(以防其中一個(gè)被占):==
export function loadCLodop() {
    if (CLodopJsState == "loading" || CLodopJsState == "complete") return;
    CLodopJsState = "loading";
    var head = document.head || document.getElementsByTagName("head")[0] || document.documentElement;
    var JS1 = document.createElement("script");
    var JS2 = document.createElement("script");
    JS1.src = "http://localhost:8000/CLodopfuncs.js?priority=1";
    JS2.src = "http://localhost:18000/CLodopfuncs.js";
    JS1.onload  = JS2.onload  = function()    {CLodopJsState = "complete";}
    JS1.onerror = JS2.onerror = function(evt) {CLodopJsState = "complete";}
    head.insertBefore(JS1, head.firstChild);
    head.insertBefore(JS2, head.firstChild);
    CLodopIsLocal = !!((JS1.src + JS2.src).match(/\/\/localho|\/\/127.0.0./i));
}

if (needCLodop()){loadCLodop();}//加載

//==獲取LODOP對(duì)象主過(guò)程,判斷是否安裝、需否升級(jí):==
export function getLodop(oOBJECT, oEMBED) {
    var strHtmInstall = "<br><font color='#FF00FF'>打印控件未安裝!點(diǎn)擊這里<a href='install_lodop32.zip' target='_self'>執(zhí)行安裝</a>,安裝后請(qǐng)刷新頁(yè)面或重新進(jìn)入。</font>";
    var strHtmUpdate = "<br><font color='#FF00FF'>打印控件需要升級(jí)!點(diǎn)擊這里<a href='install_lodop32.zip' target='_self'>執(zhí)行升級(jí)</a>,升級(jí)后請(qǐng)重新進(jìn)入。</font>";
    var strHtm64_Install = "<br><font color='#FF00FF'>打印控件未安裝!點(diǎn)擊這里<a href='install_lodop64.zip' target='_self'>執(zhí)行安裝</a>,安裝后請(qǐng)刷新頁(yè)面或重新進(jìn)入。</font>";
    var strHtm64_Update = "<br><font color='#FF00FF'>打印控件需要升級(jí)!點(diǎn)擊這里<a href='install_lodop64.zip' target='_self'>執(zhí)行升級(jí)</a>,升級(jí)后請(qǐng)重新進(jìn)入。</font>";
    var strHtmFireFox = "<br><br><font color='#FF00FF'>（注意：如曾安裝過(guò)Lodop舊版附件npActiveXPLugin,請(qǐng)?jiān)凇竟ぞ摺?>【附加組件】->【擴(kuò)展】中先卸它）</font>";
    var strHtmChrome = "<br><br><font color='#FF00FF'>(如果此前正常，僅因?yàn)g覽器升級(jí)或重安裝而出問(wèn)題，需重新執(zhí)行以上安裝）</font>";
    var strCLodopInstall_1 = "<br><font color='#FF00FF'>Web打印服務(wù)CLodop未安裝啟動(dòng)，點(diǎn)擊這里<a href='CLodop_Setup_for_Win32NT.zip' target='_self'>下載執(zhí)行安裝</a>";
    var strCLodopInstall_2 = "<br>（若此前已安裝過(guò)，可<a href='CLodop.protocol:setup' target='_self'>點(diǎn)這里直接再次啟動(dòng)</a>）";
    var strCLodopInstall_3 = "，成功后請(qǐng)刷新本頁(yè)面。</font>";
    var strCLodopUpdate = "<br><font color='#FF00FF'>Web打印服務(wù)CLodop需升級(jí)!點(diǎn)擊這里<a href='CLodop_Setup_for_Win32NT.zip' target='_self'>執(zhí)行升級(jí)</a>,升級(jí)后請(qǐng)刷新頁(yè)面。</font>";
    var LODOP;
    try {
        var ua = navigator.userAgent;
        var isIE = !!(ua.match(/MSIE/i)) || !!(ua.match(/Trident/i));
        if (needCLodop()) {
            try {
                LODOP = getCLodop();
            } catch (err) {}
            if (!LODOP && CLodopJsState !== "complete") {
                if (CLodopJsState == "loading") alert("網(wǎng)頁(yè)還沒(méi)下載完畢，請(qǐng)稍等一下再操作."); else alert("沒(méi)有加載CLodop的主js，請(qǐng)先調(diào)用loadCLodop過(guò)程.");
                return;
            }
            if (!LODOP) {
                document.body.innerHTML = strCLodopInstall_1 + (CLodopIsLocal ? strCLodopInstall_2 : "") + strCLodopInstall_3 + document.body.innerHTML;
                return;
            } else {
                if (CLODOP.CVERSION < "4.0.9.9") {
                    document.body.innerHTML = strCLodopUpdate + document.body.innerHTML;
                }
                if (oEMBED && oEMBED.parentNode)
                    oEMBED.parentNode.removeChild(oEMBED);
                if (oOBJECT && oOBJECT.parentNode)
                    oOBJECT.parentNode.removeChild(oOBJECT);
            }
        } else {
            var is64IE = isIE && !!(ua.match(/x64/i));
            //==如果頁(yè)面有Lodop就直接使用,否則新建:==
            if (oOBJECT || oEMBED) {
                if (isIE)
                    LODOP = oOBJECT;
                else
                    LODOP = oEMBED;
            } else if (!CreatedOKLodopObject) {
                LODOP = document.createElement("object");
                LODOP.setAttribute("width", 0);
                LODOP.setAttribute("height", 0);
                LODOP.setAttribute("style", "position:absolute;left:0px;top:-100px;width:0px;height:0px;");
                if (isIE)
                    LODOP.setAttribute("classid", "clsid:2105C259-1E0C-4534-8141-A753534CB4CA");
                else
                    LODOP.setAttribute("type", "application/x-print-lodop");
                document.documentElement.appendChild(LODOP);
                CreatedOKLodopObject = LODOP;
            } else
                LODOP = CreatedOKLodopObject;
            //==Lodop插件未安裝時(shí)提示下載地址:==
            if ((!LODOP) || (!LODOP.VERSION)) {
                if (ua.indexOf('Chrome') >= 0)
                    document.body.innerHTML = strHtmChrome + document.body.innerHTML;
                if (ua.indexOf('Firefox') >= 0)
                    document.body.innerHTML = strHtmFireFox + document.body.innerHTML;
                document.body.innerHTML = (is64IE ? strHtm64_Install : strHtmInstall) + document.body.innerHTML;
                return LODOP;
            }
        }
        if (LODOP.VERSION < "6.2.2.6") {
            if (!needCLodop())
                document.body.innerHTML = (is64IE ? strHtm64_Update : strHtmUpdate) + document.body.innerHTML;
        }
        //===如下空白位置適合調(diào)用統(tǒng)一功能(如注冊(cè)語(yǔ)句、語(yǔ)言選擇等):==
        LODOP.SET_LICENSES("","13528A153BAEE3A0254B9507DCDE2839","EDE92F75B6A3D917F65910","D60BC84D7CF2DE18156A6F88987304CB6D8");
        //=======================================================.com//.com臺(tái)級(jí)//.net
        return LODOP;
    } catch (err) {
        alert("getLodop出錯(cuò):" + err);
    }
}

2.在打印功能vue頁(yè)面引入LodopFuncs

import { getLodop } from '../../tools/LodopFuncs'
let LODOP;

3.執(zhí)行打印方法

methods: {
	//提交打印
	submitForm(formName) {
		LODOP = getLodop()// 獲取LODOP對(duì)象的主過(guò)程
          if (LODOP != false) {
	          const data = [{}]
	          this.dayin(data)
          }
	},
	setDayinData(temp) {
      // 整理打印數(shù)據(jù)
      console.log('整理打印數(shù)據(jù)————>>>s')
      this.dayinData.enterAmount = temp.enterAmount
      this.dayinData.versionNo = temp.versionNo
      this.dayinData.productBatchNo = temp.productBatchNo
      this.dayinData.remarks = temp.remarks
      this.dayinData.productId = temp.productId
      this.dayinData.productLineId = temp.productLineId
      this.dayinData.shiftsType = temp.shiftsType
      this.dayinData.productSpecId = temp.productSpecId
      this.dayinData.sheetId = temp.sheetId

      const strTaskName = 'XX單' + temp.productBatchNo
      console.log('整理打印數(shù)據(jù)————>>>e')
      return strTaskName
    },
	dayin(data) {
	      LODOP = getLodop()// 獲取LODOP對(duì)象的主過(guò)程
        const strTaskName = this.setDayinData(data)

        const P_ID = ''
        // const Heg = document.getElementById('toPrint').clientHeight + 50
        // 打印初始化 設(shè)定打印任務(wù)名
        console.log(strTaskName, '打印任務(wù)名', LODOP.VERSION)
        LODOP.PRINT_INIT(strTaskName)
        LODOP.SET_PRINTER_INDEX(-1)// -1特指操作系統(tǒng)內(nèi)設(shè)定的默認(rèn)打印機(jī)

        // LODOP.SET_PRINT_PAGESIZE(3, '', '', '')// 設(shè)置紙張
        // LODOP.SET_PRINT_MODE('PRINT_PAGE_PERCENT', 'Auto-Width')// 設(shè)置以紙張邊緣為基點(diǎn)
        // LODOP.SET_PRINT_STYLE('FontSize', 11)// 設(shè)置字體
        // LODOP.ADD_PRINT_HTM(1, 0, 350, Heg, document.getElementById('toPrint').innerHTML)
        var strStyle = '<style>' +
          '.my-table{border-top:none;border-collapse:collapse;width:auto}' +
          '.my-table tr{width:100%;text-align:center}' +
          '.my-table td{padding:5px;font-size:13px}' +
          '.my-td{border-bottom:#f2f2f2 solid 1px}' +
          '</style>'
        var html = '<table class="my-table":v-model="dayinData"><tr><td>產(chǎn)品名稱(chēng)</td><td class="my-td"></td><td/></tr><tr><td>發(fā)貨區(qū)域</td><td/><td/></tr></table>'
        LODOP.ADD_PRINT_TABLE(1, 0, '100mm', '150mm', strStyle + html)
        // LODOP.ADD_PRINT_TABLE(1, 0, '100mm', '150mm', strStyle + document.getElementById('toPrint').innerHTML)
        // LODOP.ADD_PRINT_HTM(3, '100%', 300, 100, '')// 右上角的頁(yè)碼
        // LODOP.ADD_PRINT_TEXT(3, 34, 196, 20, '')// 左上角的文字
        // LODOP.PRINT()// 直接打印
        LODOP.PREVIEW()// 打印預(yù)覽
	    },
	
	}

4.打印接口函數(shù)官網(wǎng)樣例說(shuō)明

● PRINT_INIT(strPrintTaskName)打印初始化

● SET_PRINT_PAGESIZE(intOrient,intPageWidth,intPageHeight,strPageName)設(shè)定紙張大小

● ADD_PRINT_HTM(intTop,intLeft,intWidth,intHeight,strHtml)增加超文本項(xiàng)

● ADD_PRINT_TEXT(intTop,intLeft,intWidth,intHeight,strContent)增加純文本項(xiàng)

● ADD_PRINT_TABLE(intTop,intLeft,intWidth,intHeight,strHtml)增加表格項(xiàng)

● ADD_PRINT_SHAPE(intShapeType,intTop,intLeft,intWidth,intHeight,intLineStyle,intLineWidth,intColor)畫(huà)圖形

● SET_PRINT_STYLE(strStyleName, varStyleValue)設(shè)置對(duì)象風(fēng)格

● PREVIEW打印預(yù)覽

● PRINT直接打印

● PRINT_SETUP打印維護(hù)

● PRINT_DESIGN打印設(shè)計(jì)

從這里去Lodop官博，更多留言和討論請(qǐng)加入QQ群。

最基本的打印過(guò)程至少有初始化語(yǔ)句、添內(nèi)容語(yǔ)句和打印語(yǔ)句三部分組成，例如：

LODOP.PRINT_INIT("打印任務(wù)名");               //首先一個(gè)初始化語(yǔ)句
LODOP.ADD_PRINT_TEXT(0,0,100,20,"文本內(nèi)容一");//然后多個(gè)ADD語(yǔ)句及SET語(yǔ)句
LODOP.PRINT();                               //最后一個(gè)打印(或預(yù)覽、維護(hù)、設(shè)計(jì))語(yǔ)句

下面通過(guò)演示樣例來(lái)理解，為容易看懂源代碼，每個(gè)樣例盡量簡(jiǎn)單，一個(gè)樣例代

表一類(lèi)或多類(lèi)功能,在實(shí)際應(yīng)用中它們都可以混合并存或交叉使用。

5.完整頁(yè)面示例

<template>
    <div class = "container alone">
        <el-button @click = "submitForm">點(diǎn)擊</el-button>
    </div>
</template>

<script>
  import { getLodop } from '../../tools/LodopFuncs'
  let LODOP;
  export default {
    name: "alert",
    data() {
      return {
        dayinData: {}
      }
    },
    methods: {
      //提交打印
      submitForm() {
        LODOP = getLodop()// 獲取LODOP對(duì)象的主過(guò)程
        if (LODOP != false) {
          const data = [{}]
          this.dayin(data)
        }
      },
      setDayinData(temp) {
        // 整理打印數(shù)據(jù)
        console.log('整理打印數(shù)據(jù)————>>>s')
        this.dayinData.enterAmount = temp.enterAmount
        this.dayinData.versionNo = temp.versionNo
        this.dayinData.productBatchNo = temp.productBatchNo
        this.dayinData.remarks = temp.remarks
        this.dayinData.productId = temp.productId
        this.dayinData.productLineId = temp.productLineId
        this.dayinData.shiftsType = temp.shiftsType
        this.dayinData.productSpecId = temp.productSpecId
        this.dayinData.sheetId = temp.sheetId

        const strTaskName = 'XX單' + temp.productBatchNo
        console.log('整理打印數(shù)據(jù)————>>>e')
        return strTaskName
      },
      dayin(data) {
        LODOP = getLodop()// 獲取LODOP對(duì)象的主過(guò)程
        const strTaskName = this.setDayinData(data)

        const P_ID = ''
        // const Heg = document.getElementById('toPrint').clientHeight + 50
        // 打印初始化 設(shè)定打印任務(wù)名
        console.log(strTaskName, '打印任務(wù)名', LODOP.VERSION)
        LODOP.PRINT_INIT(strTaskName)
        LODOP.SET_PRINTER_INDEX(-1)// -1特指操作系統(tǒng)內(nèi)設(shè)定的默認(rèn)打印機(jī)

        // LODOP.SET_PRINT_PAGESIZE(3, '', '', '')// 設(shè)置紙張
        // LODOP.SET_PRINT_MODE('PRINT_PAGE_PERCENT', 'Auto-Width')// 設(shè)置以紙張邊緣為基點(diǎn)
        // LODOP.SET_PRINT_STYLE('FontSize', 11)// 設(shè)置字體
        // LODOP.ADD_PRINT_HTM(1, 0, 350, Heg, document.getElementById('toPrint').innerHTML)
        var strStyle = '<style>' +
          '.my-table{border-top:none;border-collapse:collapse;width:auto}' +
          '.my-table tr{width:100%;text-align:center}' +
          '.my-table td{padding:5px;font-size:13px}' +
          '.my-td{border-bottom:#f2f2f2 solid 1px}' +
          '</style>'
        var html = '<table class="my-table":v-model="dayinData"><tr><td>產(chǎn)品名稱(chēng)</td><td class="my-td"></td><td/></tr><tr><td>發(fā)貨區(qū)域</td><td/><td/></tr></table>'
        LODOP.ADD_PRINT_TABLE(1, 0, '100mm', '150mm', strStyle + html)
        // LODOP.ADD_PRINT_TABLE(1, 0, '100mm', '150mm', strStyle + document.getElementById('toPrint').innerHTML)
        // LODOP.ADD_PRINT_HTM(3, '100%', 300, 100, '')// 右上角的頁(yè)碼
        // LODOP.ADD_PRINT_TEXT(3, 34, 196, 20, '')// 左上角的文字
        // LODOP.PRINT()// 直接打印
        LODOP.PREVIEW()// 打印預(yù)覽
      }
    }
  }
</script>

<style scoped>

</style>

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