近两年技术没有过细化总结,突然心血来潮,随手来总结一些问题,废话不多说,切入正题。
jxl导入导出这里主要用的EXTJS+Sh
- 前端:创建按键,调用触发事件,根据触发事件中url找到控制层相对应的路径
- 按键
2.js
/* * 导入 */ importItem : function() { Ext.QuickTips.init(); Ext.onReady(function() { var form = new Ext.form.FormPanel({ baseCls : ‘x-plain‘, labelWidth : 80, url : cfg.cxt +‘/eplantrain/manage/upload/excel.sj‘, fileUpload : true, defaultType : ‘textfield‘, items : [ { xtype: ‘fileuploadfield‘, name: ‘file‘, fieldLabel: ‘   文件名‘, labelWidth: 50, msgTarget: ‘side‘, allowBlank: false, anchor: ‘90%‘, buttonText: ‘选择Excel文件‘ },{ xtype: ‘label‘, text: ‘(请选择Excel导入,注意录入的字段格式)‘, style:{ marginLeft:‘10px‘ } } ] }); var win = new Ext.Window({ title : ‘上传Excel‘, width : 400, height : 130, layout : ‘fit‘, plain : true, bodyStyle : ‘padding:5px;‘, buttonAlign : ‘center‘, items : form, buttons : [ { text : ‘导入‘, handler : function() { if (form.form.isValid()) { Ext.MessageBox.show({ title : ‘请等待‘, msg : ‘导入中...‘, progressText : ‘‘, width : 300, progress : true, closable : false, animEl : ‘loding‘ }); form.getForm().submit({ success : function(form, action) { listView.queryResItem(); Ext.Msg.alert("提示",action.result.msg); win.hide(); }, failure : function(form, action) { Ext.Msg.alert(‘警告‘,"Excel导入失败!"); win.hide(); } }); } } }, { text : ‘关闭‘, handler : function() { win.hide(); } } ] }); win.show(); }); }, /*导出文件*/ exportFile: function () { var sm = grid.getSelectionModel(); if (sm.getCount() == 0) { Ext.Mytip.msg(‘提示‘, ‘您尚未选择要导出的数据!‘); return; } var ids = []; sm.each(function(r) { ids.push(r.data.id); }); // Ext.Msg.confirm(‘请确认‘, // ‘<span style="color:red"><b>提示:</b>确定导出吗?</span>‘, // function(btn,text) { // if (btn == ‘yes‘) { // // Ext.Ajax.request({ // url :cfg.cxt + "/eplantrain/manage/underwrite_export.sj", // // success : function(response) { // // //window.location.href = cfg.cxt + "/eplantrain/manage/exports.sj"; // var rt = Ext.decode(response.responseText); // alert(111+response.responseText.success==true+rt); // if (rt.success) { // listView.queryResItem(); // Ext.Mytip.msg(‘提示‘, ‘导出成功!‘); // } else { // Ext.Mytip.msg(‘提示‘, rt.msg); // } // }, // failure : safetys.ajaxError, // params : { // "ids" : ids.join(‘,‘) // } // }); // } // }); window.location.href = cfg.cxt + "/eplantrain/manage/exports.sj?ids="+ids; },
- 后台代码
//导出Excel****************************************
@SuppressWarnings("deprecation")
@RequestMapping("/exports")
@ResponseBody
public Msg exportFile(HttpServletResponse response,String ids) throws Exception {
Assert.isTrue(StringUtils.isNotBlank(ids), "参数错误!");
// 1.文件下载响应头
response.setCharacterEncoding("UTF-8");
response.addHeader("Content-Disposition", "attachment;filename=" + new String(("导出Excel名").getBytes("gb2312"), "ISO-8859-1") + ".xls");
//response.setHeader("Content-Disposition", "attachment;filename=" + new String((edTemplate.getTemplateName() + "导入模板").getBytes(), "ISO-8859-1") + ".xls");
// 2.响应到浏览器
WritableWorkbook workbook = Workbook.createWorkbook(response.getOutputStream());
// 创建工作簿sheet
WritableSheet sheet = workbook.createSheet("工作簿名", 0);
//设置字体;
WritableFont font2 = new WritableFont(WritableFont.ARIAL,14,WritableFont.BOLD,false,UnderlineStyle.NO_UNDERLINE,Colour.BLUE);
WritableCellFormat cellFormat1 = new WritableCellFormat(font2);
//设置背景颜色;
cellFormat1.setBackground(Colour.PINK);
//设置边框;
cellFormat1.setBorder(Border.ALL, BorderLineStyle.DASH_DOT);
//设置自动换行;
cellFormat1.setWrap(true);
//设置文字居中对齐方式;
cellFormat1.setAlignment(Alignment.CENTRE);
//设置垂直居中;
cellFormat1.setVerticalAlignment(VerticalAlignment.CENTRE);
// 3.设置column名(标题目录,根据自己数据库表字段命名)
String[] ts ={"法规或文件名称","制定机关","文号","发布时间","法规分类","层级","最近修订时间","状态","法规或文件电子档"};
Label label=null;
for(int i=0;i<ts.length;i++){
//x,y,第一行的列名
label=new Label(i,0,ts[i],cellFormat1);
//7:添加单元格
sheet.addCell(label);
}
// 4.把数据填充到工作簿中 调用service调用查询数据库
List<ZZcfg> list = zzcfgService.findz(ids);
try{
for (int i = 0, j = 1; i < list.size(); i++, j++) {
ZZcfg z = list.get(i);
//System.out.println(z);
//设置列宽
sheet.setColumnView(i, 16);
//重新设置部分列宽
sheet.setColumnView(3, 14);
sheet.setColumnView(6, 14);
sheet.setColumnView(7, 14);
//设置行高
sheet.setRowView(i, 350);
//设置字体的attribute
WritableFont font1=new WritableFont(WritableFont.createFont("楷体 _GB2312"), 12, WritableFont.NO_BOLD);
WritableCellFormat format1=new WritableCellFormat(font1);
sheet.addCell(new Label(0, j, z.getzName(),format1));
sheet.addCell(new Label(1, j, z.getForOrg(),format1));
sheet.addCell(new Label(2, j, z.gettNumber(),format1));
String applydate=z.getReleTime().toLocaleString().substring(0,9);
sheet.addCell(new Label(3, j, applydate,format1));
sheet.addCell(new Label(4, j, z.getFgfl(),format1));
sheet.addCell(new Label(5, j, z.getOrderNo(),format1));
String applydateq=z.getLastTime().toLocaleString().substring(0,9);
sheet.addCell(new Label(6, j, applydateq,format1));
sheet.addCell(new Label(7, j, z.getzStatus().toString(),format1));
sheet.addCell(new Label(8, j, z.getTextField(),format1));
}
}catch (Exception e){
e.printStackTrace();
}
// 5.写入数据
workbook.write();
// 6.关闭资源
workbook.close();
return new Msg();
}
//导入Excel****************************************
@RequestMapping("upload/excel")
public void importExcelPapaers(HttpServletRequest request, HttpServletResponse response, @RequestParam MultipartFile file) throws IOException,
JSONException {
JSONObject jo = new JSONObject();
response.setContentType("text/html;charset=utf-8");
if (file.isEmpty()) {
jo.put("success", true);
jo.put("msg", "导入失败,文件不能为空!");
response.getWriter().print(jo.toString());
} else {
if ("application/vnd.ms-excel".equals(file.getContentType().toString())) {
//创建一个集合
List<ZZcfg> list = new ArrayList<ZZcfg>();
// 获取Excel对象
Workbook book;
try {
book = Workbook.getWorkbook(file.getInputStream());
// 获取Excel第一个选项卡对象
Sheet sheet = book.getSheet(0);
// 遍历选项卡,第一行是表头,所以索引数-1
for (int i = 0; i < sheet.getRows() - 1; i++) {
ZZcfg zz = new ZZcfg();
// 获取第i+1行单元格对象
zz.setzName(sheet.getCell(0,i+1).getContents());
zz.setForOrg(sheet.getCell(1,i+1).getContents());
zz.settNumber(sheet.getCell(2,i+1).getContents());
//时间格式的转换
try {
zz.setReleTime(new SimpleDateFormat("yyyy-MM-dd").parse(sheet.getCell(3,i+1).getContents()));
zz.setLastTime(new SimpleDateFormat("yyyy-MM-dd"). parse(sheet.getCell(6,i+1).getContents()));
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
zz.setFgfl(sheet.getCell(4,i+1).getContents());
zz.setOrderNo(sheet.getCell(5,i+1).getContents());
zz.setzStatus(sheet.getCell(7,i+1).getContents());
zz.setTextField(sheet.getCell(8,i+1).getContents());
list.add(zz);
}
for (int i = 0; i < list.size(); i++) {
zcfgService.save(list.get(i));
}
} catch (BiffException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
jo.put("success", true);
jo.put("msg", "导入成功!");
response.getWriter().print(jo.toString());
} else {
jo.put("success", true);
jo.put("msg", "导入失败!");
response.getWriter().print(jo.toString());
}
}
}
Impl
/新增 @Override public ZZcfg save(ZZcfg entity) { this.merge(entity); return entity; } @Override public List<ZZcfg> findz(String ids) { ArrayList<ZZcfg> l = new ArrayList<ZZcfg>(); if(ids.contains(",")){ String[] tIds = StringUtils.split(ids,","); for (int i = 0; i < tIds.length; i++) { String id = StringUtils.trim(tIds[i]); ZZcfg pc = this.get(Long.valueOf(id)); l.add(pc); } }else{ ZZcfg ac = this.get(Long.parseLong(ids)); l.add(ac); } for (int i = 0; i < l.size(); i++) { String a = l.get(i).getzName(); } return l; }
原文地址:https://www.cnblogs.com/mzx1314/p/10240209.html