var officegen = require('officegen');
 var fs = require('fs');
 var path = require('path');
 var docx = officegen ( 'docx' );
 var async = require('async');
 /**
 * 导出word
 */
 exports.exportWord = function(req, res) {
  console.log('exportWord-------------');
  docx.on ( 'finalize', function ( written ) {
     console.log ( 'Finish to create Word file.\nTotal bytes created: ' + written + '\n' );
    });
  docx.on ( 'error', function ( err ) {
     console.log ( err );
    });
  var pObj = docx.createP ( { align: 'center' } );// 创建行 设置居中
 pObj.addText ( '血液透析（滤过）治疗知情同意书', { bold: true,font_face: 'Arial', font_size: 18 });// 添加文字 设置字体样式 加粗 大小
 var pObj = docx.createP ();
  pObj.addText ( '姓名' );
  pObj.addText ( ' with color', { color: '000088' } );// 设置字体颜色
 pObj.addText ( '性别' );
  pObj.addText ( '', { color: '00ffff', back: '000088' } );
  pObj.addText ( '年龄' );
  pObj.addText ( '岁', { color: '000088' } );
  var pObj = docx.createP ();
  pObj.addText ( '门诊（住院）号' );
  pObj.addText ( ' with color', { color: '000088' } );
  pObj.addText ( '诊断' );
  pObj.addText ( '', { color: '000088'} );
  var pObj = docx.createP ();
  pObj.addText ( '一、血液透析（滤过）能有效清除身体内过多的水分合霉素，是治疗急性和慢性肾衰竭等疾病的有效方法。' );
  var pObj = docx.createP ();
  pObj.addText ( '二、血液透析（滤过）治疗时，首先需要将患者血液引到体外，然后通过透析或滤过等方法清除水分和霉素，经受理后的血液再回到患者体外。' );
  var pObj = docx.createP ();
  pObj.addText ( '三、为了有效引出血液，治疗前需要建立血管通路（动静脉内痿或深静脉插管）。' );
  var pObj = docx.createP ();
  pObj.addText ( '四、为防止血液在体外管路和透析器发生凝固，一般需要在透析前和透析过程中注射肝素等抗凝药物。' );
  var pObj = docx.createP ();
  pObj.addText ( '五、血透过程中和治疗期间存在下列医疗风险，可能造成严重后果，甚至危及生命：' );
  var pObj = docx.createP ();
  pObj.addText ( '1.低血压，心力衰竭，心肌梗塞，心律失常，脑血管意外；' );
  var pObj = docx.createP ();
  pObj.addText ( '2.空气球栓塞；' );
  var pObj = docx.createP ();
  pObj.addText ( '3.过敏反应；' );
  var out = fs.createWriteStream ( 'out.docx' );// 文件写入
 out.on ( 'error', function ( err ) {
   console.log ( err );
  });
  var result = docx.generate (out);// 服务端生成word
  res.writeHead ( 200, {
// 注意这里的type设置，导出不同文件type值不同application/vnd.openxmlformats-officedocument.presentationml.presentation
   "Content-Type": "application/vnd.openxmlformats-officedocument.wordprocessingml.document", 
 'Content-disposition': 'attachment; filename=out.docx'
 });
  docx.generate (res);// 客户端导出word
 }