java easyexcel导入

1.引入pom.xml依赖

    
    		com.alibaba
    		easyexcel
    		1.1.2-beta5
    

2.前端

jsp中：

Import Installer

installer.js

var installer_fn = {
    importPanel:function(){
		new $.Zebra_Dialog('
' +
	        	'
' + 
	            '*Installer Excel' +
	            '
' +
	            '' +
	            '
' +
	            '' +
	            'Brows' +
	            '
 ' +
	            '
' +
	            '
' +
	            '
',
				{
					title:"Please choose the upload file",
					type:false,
					buttons:[
                                            {caption: 'Upload', callback: function(){installer_fn.uploadInstallersFile();return true;}},
                                            {caption: 'Cancel',callback:function(){ return true;}},
					         ]
				});
	},
    uploadInstallersFile:function(){
		var formData = new FormData();
		var file = $("#installerFilesForm").find("input[name=installer_file]");
		formData.append("installer_file",file.get(0).files[0]);
		$.ajax({ 
			url : "/installer/import?r="+Math.random(), 
			type : 'POST', 
			data : formData, 
			processData : false, 
			contentType : false,
                        beforeSend:function(){
                            //渲染弹出的框
                            showBeforeSendDialog();
			},
			success : function(result) { 
				if(!$.isPlainObject(result)){
					result = $.parseJSON(result);
				}
                            alert(result.message);
                            //关闭弹出的框
                            closeBeforeSendDialog();
			}, 
			error : function(data) { 
				alert("Unknown error!");
				closeBeforeSendDialog();
			} 
		});
	},
}

3.Controller层

@Controller
@Scope("prototype")
@RequestMapping("/installer")
public class InstallerController {
	
@Autowired
private InstallerService installerService;

protected final Logger log = LoggerFactory.getLogger(this.getClass());

@ResponseBody
@RequestMapping(path="/import", method = RequestMethod.POST)
public Map readExcel(@RequestParam("installer_file")MultipartFile excel,HttpServletRequest request,HttpServletResponse response) {
		Map result =null;
		try {
			result = installerService.importInstallerList(excel.getInputStream());
		} catch (Exception e) {
			e.printStackTrace();
			 //打印到日志文件中
			log.error("Internal error:"+e);
		}
	   
		return result;
}
}

4.Service层

Service接口：

public interface InstallerService {
	public Map importInstallerList(InputStream io);
}

Service实现类：

@Service
@Transactional
public class InstallerServiceImp implements InstallerService {
	private static final Logger logger=Logger.getLogger(InstallerServiceImp.class);

        @Override
	public Map importInstallerList(InputStream io) {
		Map resultMap = new HashMap();
		try {
			//第一种有表头获取方式Sheet(1,1)，无表头为Sheet(0,1)
			EasyExcelFactory.readBySax(io, new com.alibaba.excel.metadata.Sheet(1,1), new AnalysisEventListener() {
				@Override
				public void invoke(Object object, AnalysisContext context) {
					// TODO Auto-generated method stub
					System.out.println("当前sheet"+context.getCurrentSheet().getSheetNo()+ " 当前行：" + context.getCurrentRowNum()
	                + " data:" + object);
				}
				@Override
				public void doAfterAllAnalysed(AnalysisContext context) {
					// TODO Auto-generated method stub
				}
			});
			//第二种使用InstallerExcelBean有表头获取方式，无表头为Sheet(0,1)
			com.alibaba.excel.metadata.Sheet sheet = new com.alibaba.excel.metadata.Sheet(1,1,InstallerExcelBean.class);
			List