LodopFuncs.js 8.8 KB

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  1. //= =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==
  2. var CreatedOKLodopObject, CLodopIsLocal, CLodopJsState
  3. //= =判断是否需要CLodop(那些不支持插件的浏览器):==
  4. function needCLodop () {
  5. try {
  6. var ua = navigator.userAgent
  7. if (ua.match(/Windows\sPhone/i)) { return true }
  8. if (ua.match(/iPhone|iPod|iPad/i)) { return true }
  9. if (ua.match(/Android/i)) { return true }
  10. if (ua.match(/Edge\D?\d+/i)) { return true }
  11. var verTrident = ua.match(/Trident\D?\d+/i)
  12. var verIE = ua.match(/MSIE\D?\d+/i)
  13. var verOPR = ua.match(/OPR\D?\d+/i)
  14. var verFF = ua.match(/Firefox\D?\d+/i)
  15. var x64 = ua.match(/x64/i)
  16. if ((!verTrident) && (!verIE) && (x64)) { return true } else if (verFF) {
  17. verFF = verFF[0].match(/\d+/)
  18. if ((verFF[0] >= 41) || (x64)) { return true }
  19. } else if (verOPR) {
  20. verOPR = verOPR[0].match(/\d+/)
  21. if (verOPR[0] >= 32) { return true }
  22. } else if ((!verTrident) && (!verIE)) {
  23. var verChrome = ua.match(/Chrome\D?\d+/i)
  24. if (verChrome) {
  25. verChrome = verChrome[0].match(/\d+/)
  26. if (verChrome[0] >= 41) { return true }
  27. }
  28. }
  29. return false
  30. } catch (err) {
  31. return true
  32. }
  33. }
  34. // 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,
  35. // 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:
  36. function loadCLodop () {
  37. if (CLodopJsState == 'loading' || CLodopJsState == 'complete') return
  38. CLodopJsState = 'loading'
  39. var head = document.head || document.getElementsByTagName('head')[0] || document.documentElement
  40. var JS1 = document.createElement('script')
  41. var JS2 = document.createElement('script')
  42. if (window.location.protocol == 'https:') {
  43. JS1.src = 'https://localhost.lodop.net:8443/CLodopfuncs.js'
  44. JS2.src = 'https://localhost.lodop.net:8444/CLodopfuncs.js'
  45. } else {
  46. JS1.src = 'http://localhost:8000/CLodopfuncs.js'
  47. JS2.src = 'http://localhost:18000/CLodopfuncs.js'
  48. }
  49. JS1.onload = JS2.onload = function () { CLodopJsState = 'complete' }
  50. JS1.onerror = JS2.onerror = function (evt) { CLodopJsState = 'complete' }
  51. head.insertBefore(JS1, head.firstChild)
  52. head.insertBefore(JS2, head.firstChild)
  53. CLodopIsLocal = !!((JS1.src + JS2.src).match(/\/\/localho|\/\/127.0.0./i))
  54. }
  55. if (needCLodop()) { loadCLodop() }// 开始加载
  56. //= =获取LODOP对象主过程,判断是否安装、需否升级:==
  57. function getLodop (oOBJECT, oEMBED) {
  58. var strHtmInstall = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='http://www.lodop.net/demolist/install_lodop32.zip' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>"
  59. var strHtmUpdate = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='http://www.lodop.net/demolist/install_lodop32.zip' target='_self'>执行升级</a>,升级后请重新进入。</font>"
  60. var strHtm64_Install = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='http://www.lodop.net/demolist/install_lodop64.zip' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>"
  61. var strHtm64_Update = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='http://www.lodop.net/demolist/install_lodop64.zip' target='_self'>执行升级</a>,升级后请重新进入。</font>"
  62. var strHtmFireFox = "<br><br><font color='#FF00FF'>(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)</font>"
  63. var strHtmChrome = "<br><br><font color='#FF00FF'>(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)</font>"
  64. var strCLodopInstall_1 = "<br><font color='#FF00FF'>Web打印服务CLodop未安装启动,点击这里<a href='http://www.lodop.net/demolist/CLodop_Setup_for_Win32NT.zip' target='_self'>下载执行安装</a>"
  65. var strCLodopInstall_2 = "<br>(若此前已安装过,可<a href='CLodop.protocol:setup' target='_self'>点这里直接再次启动</a>)"
  66. var strCLodopInstall_3 = ',成功后请刷新本页面。</font>'
  67. var strCLodopUpdate = "<br><font color='#FF00FF'>Web打印服务CLodop需升级!点击这里<a href='http://www.lodop.net/demolist/CLodop_Setup_for_Win32NT.zip' target='_self'>执行升级</a>,升级后请刷新页面。</font>"
  68. var msgHtml = ''
  69. var LODOP
  70. try {
  71. var ua = navigator.userAgent
  72. var isIE = !!(ua.match(/MSIE/i)) || !!(ua.match(/Trident/i))
  73. if (needCLodop()) {
  74. try {
  75. LODOP = getCLodop()
  76. } catch (err) {}
  77. if (!LODOP && CLodopJsState !== 'complete') {
  78. 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.')
  79. return
  80. }
  81. if (!LODOP) {
  82. msgHtml = strCLodopInstall_1 + (CLodopIsLocal ? strCLodopInstall_2 : '') + strCLodopInstall_3
  83. return
  84. } else {
  85. if (CLODOP.CVERSION < '4.0.9.9') {
  86. msgHtml = strCLodopUpdate
  87. }
  88. if (oEMBED && oEMBED.parentNode) { oEMBED.parentNode.removeChild(oEMBED) } // 清理旧版无效元素
  89. if (oOBJECT && oOBJECT.parentNode) { oOBJECT.parentNode.removeChild(oOBJECT) }
  90. }
  91. } else {
  92. var is64IE = isIE && !!(ua.match(/x64/i))
  93. //= =如果页面有Lodop就直接使用,否则新建:==
  94. if (oOBJECT || oEMBED) {
  95. if (isIE) { LODOP = oOBJECT } else { LODOP = oEMBED }
  96. } else if (!CreatedOKLodopObject) {
  97. LODOP = document.createElement('object')
  98. LODOP.setAttribute('width', 0)
  99. LODOP.setAttribute('height', 0)
  100. LODOP.setAttribute('style', 'position:absolute;left:0px;top:-100px;width:0px;height:0px;')
  101. if (isIE) { LODOP.setAttribute('classid', 'clsid:2105C259-1E0C-4534-8141-A753534CB4CA') } else { LODOP.setAttribute('type', 'application/x-print-lodop') }
  102. document.documentElement.appendChild(LODOP)
  103. CreatedOKLodopObject = LODOP
  104. } else { LODOP = CreatedOKLodopObject }
  105. //= =Lodop插件未安装时提示下载地址:==
  106. if ((!LODOP) || (!LODOP.VERSION)) {
  107. if (ua.indexOf('Chrome') >= 0) { msgHtml = strHtmChrome }
  108. if (ua.indexOf('Firefox') >= 0) { msgHtml = strHtmFireFox }
  109. msgHtml = (is64IE ? strHtm64_Install : strHtmInstall)
  110. console.log(msgHtml)
  111. return LODOP
  112. }
  113. }
  114. if (LODOP.VERSION < '6.2.2.6') {
  115. if (!needCLodop()) { msgHtml = (is64IE ? strHtm64_Update : strHtmUpdate) }
  116. }
  117. //= ==如下空白位置适合调用统一功能(如注册语句、语言选择等):==
  118. LODOP.SET_LICENSES('', 'E89B8C436467D381F32C0B7F5674838FA59', '', '')
  119. //= ==============================================.com//.com台级//.net
  120. // alert('SET_LICENSES执行了')
  121. console.log(msgHtml)
  122. return LODOP
  123. } catch (err) {
  124. alert('getLodop出错:' + err)
  125. }
  126. }
  127. /**
  128. * 根据已有的html url进行打印
  129. * @param type
  130. * 是打印还是打印预览:preview-打印预览;其它值为打印。
  131. * @param config
  132. * 打印内容配置:
  133. * 1、为字符串时,表示打印的html所在的远程url地址。
  134. * 2、为对象时:{
  135. * url:打印的html所在的远程url地址,
  136. * width:html内容的实际宽度(单位像素)
  137. * height:html内容的实际高度(单位像素)
  138. * }
  139. *
  140. * 说明:
  141. * JasperReports设计模板的像素和实际纸张的尺寸之比为72pt=1英寸(in)。
  142. * 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。
  143. *
  144. */
  145. function doPrintByHtml (type, config) {
  146. if (!window.LODOP) {
  147. 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!')
  148. return
  149. }
  150. if (window.top && window.top.waltz && window.top.waltz.app && window.top.waltz.app.globalOption) {
  151. var globalOption = window.top.waltz.app.globalOption
  152. if (globalOption.lodopLicenseAuthor) {
  153. LODOP.SET_LICENSES(globalOption.lodopLicenseAuthor, globalOption.lodopLicenseKey, '', '')
  154. }
  155. }
  156. LODOP.PRINT_INIT('printTask')
  157. var url
  158. if ((typeof config === 'string') && config.constructor == String) {
  159. url = config
  160. } else {
  161. url = config.url
  162. var width = Math.round((config.width / 72) * 25.4) * 10 // 1 inch=25.4mm,Lodop默认单位为0.1mm
  163. var height = Math.round((config.height / 72) * 25.4) * 10
  164. // 设置纸张大小,设置后不允许用户手动修改纸张大小
  165. LODOP.SET_PRINT_PAGESIZE(0, width, height, '')
  166. }
  167. // 指定按实际宽度缩放比例
  168. LODOP.SET_PRINT_MODE('PRINT_PAGE_PERCENT', 'Full-Width')
  169. LODOP.ADD_PRINT_HTM(0, 0, '100%', '100%', 'URL:' + url)
  170. LODOP.SET_PRINT_STYLE('Stretch', 2)
  171. if (type == 'preview') {
  172. LODOP.PREVIEW()
  173. } else {
  174. LODOP.PRINT()
  175. }
  176. }
  177. export { getLodop }