//= =本JS是加载Lodop插件及CLodop服务的综合示例,可直接使用,建议看懂后融进自己页面程序==
var CreatedOKLodopObject, CLodopIsLocal, CLodopJsState
//= =判断是否需要CLodop(那些不支持插件的浏览器):==
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
}
}
// 加载CLodop时用双端口(http是8000/18000,而https是8443/8444)以防其中某端口被占,
// 主JS文件“CLodopfuncs.js”是固定文件名,其内容是动态的,与当前打印环境有关:
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')
if (window.location.protocol == 'https:') {
JS1.src = 'https://localhost.lodop.net:8443/CLodopfuncs.js'
JS2.src = 'https://localhost.lodop.net:8444/CLodopfuncs.js'
} else {
JS1.src = 'http://localhost:8000/CLodopfuncs.js'
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() }// 开始加载
//= =获取LODOP对象主过程,判断是否安装、需否升级:==
function getLodop (oOBJECT, oEMBED) {
var strHtmInstall = "
打印控件未安装!点击这里执行安装,安装后请刷新页面或重新进入。"
var strHtmUpdate = "
打印控件需要升级!点击这里执行升级,升级后请重新进入。"
var strHtm64_Install = "
打印控件未安装!点击这里执行安装,安装后请刷新页面或重新进入。"
var strHtm64_Update = "
打印控件需要升级!点击这里执行升级,升级后请重新进入。"
var strHtmFireFox = "
(注意:如曾安装过Lodop旧版附件npActiveXPLugin,请在【工具】->【附加组件】->【扩展】中先卸它)"
var strHtmChrome = "
(如果此前正常,仅因浏览器升级或重安装而出问题,需重新执行以上安装)"
var strCLodopInstall_1 = "
Web打印服务CLodop未安装启动,点击这里下载执行安装"
var strCLodopInstall_2 = "
(若此前已安装过,可点这里直接再次启动)"
var strCLodopInstall_3 = ',成功后请刷新本页面。'
var strCLodopUpdate = "
Web打印服务CLodop需升级!点击这里执行升级,升级后请刷新页面。"
var msgHtml = ''
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('网页还没下载完毕,请稍等一下再操作.'); else alert('没有加载CLodop的主js,请先调用loadCLodop过程.')
return
}
if (!LODOP) {
msgHtml = strCLodopInstall_1 + (CLodopIsLocal ? strCLodopInstall_2 : '') + strCLodopInstall_3
return
} else {
if (CLODOP.CVERSION < '4.0.9.9') {
msgHtml = strCLodopUpdate
}
if (oEMBED && oEMBED.parentNode) { oEMBED.parentNode.removeChild(oEMBED) } // 清理旧版无效元素
if (oOBJECT && oOBJECT.parentNode) { oOBJECT.parentNode.removeChild(oOBJECT) }
}
} else {
var is64IE = isIE && !!(ua.match(/x64/i))
//= =如果页面有Lodop就直接使用,否则新建:==
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插件未安装时提示下载地址:==
if ((!LODOP) || (!LODOP.VERSION)) {
if (ua.indexOf('Chrome') >= 0) { msgHtml = strHtmChrome }
if (ua.indexOf('Firefox') >= 0) { msgHtml = strHtmFireFox }
msgHtml = (is64IE ? strHtm64_Install : strHtmInstall)
console.log(msgHtml)
return LODOP
}
}
if (LODOP.VERSION < '6.2.2.6') {
if (!needCLodop()) { msgHtml = (is64IE ? strHtm64_Update : strHtmUpdate) }
}
//= ==如下空白位置适合调用统一功能(如注册语句、语言选择等):==
LODOP.SET_LICENSES('', 'E89B8C436467D381F32C0B7F5674838FA59', '', '')
//= ==============================================.com//.com台级//.net
// alert('SET_LICENSES执行了')
console.log(msgHtml)
return LODOP
} catch (err) {
alert('getLodop出错:' + err)
}
}
/**
* 根据已有的html url进行打印
* @param type
* 是打印还是打印预览:preview-打印预览;其它值为打印。
* @param config
* 打印内容配置:
* 1、为字符串时,表示打印的html所在的远程url地址。
* 2、为对象时:{
* url:打印的html所在的远程url地址,
* width:html内容的实际宽度(单位像素)
* height:html内容的实际高度(单位像素)
* }
*
* 说明:
* JasperReports设计模板的像素和实际纸张的尺寸之比为72pt=1英寸(in)。
* Lodop打印的内容是按照一个dpi占96px=72pt=1in=2.54cm(厘米)=25.4mm(毫米)打印,JasperReports的html结果内容是按照一个dpi占72pt生成。
*
*/
function doPrintByHtml (type, config) {
if (!window.LODOP) {
alert('打印插件不可用,请先到首页进行下载安装,然后刷新浏览器!')
return
}
if (window.top && window.top.waltz && window.top.waltz.app && window.top.waltz.app.globalOption) {
var globalOption = window.top.waltz.app.globalOption
if (globalOption.lodopLicenseAuthor) {
LODOP.SET_LICENSES(globalOption.lodopLicenseAuthor, globalOption.lodopLicenseKey, '', '')
}
}
LODOP.PRINT_INIT('printTask')
var url
if ((typeof config === 'string') && config.constructor == String) {
url = config
} else {
url = config.url
var width = Math.round((config.width / 72) * 25.4) * 10 // 1 inch=25.4mm,Lodop默认单位为0.1mm
var height = Math.round((config.height / 72) * 25.4) * 10
// 设置纸张大小,设置后不允许用户手动修改纸张大小
LODOP.SET_PRINT_PAGESIZE(0, width, height, '')
}
// 指定按实际宽度缩放比例
LODOP.SET_PRINT_MODE('PRINT_PAGE_PERCENT', 'Full-Width')
LODOP.ADD_PRINT_HTM(0, 0, '100%', '100%', 'URL:' + url)
LODOP.SET_PRINT_STYLE('Stretch', 2)
if (type == 'preview') {
LODOP.PREVIEW()
} else {
LODOP.PRINT()
}
}
export { getLodop }