java 导入xls文件

/**

* @param fileToUpload

* @param request

* @param response

* @throws Exception

*/

@RequestMapping("/importFile")

@ResponseBody

public BaseResult importFile(@RequestParam("xlsfileToUpload") MultipartFile uploadFile,HttpServletRequest request) throws Exception {

BaseResult res = new BaseResult();

CommonsMultipartFile file = (CommonsMultipartFile) uploadFile;

HttpSession session = request.getSession();

ServletContext application = session.getServletContext();

String serverRealPath = application.getRealPath("/") ;

String absolutePath = serverRealPath + Global.getConfig("tempFileUploadPath");

String tempFilePath =null;

String realPath =null;

try {

realPath = DateUtil.getNowShortDate();

tempFilePath = absolutePath + realPath+File.separator;

File tempFileMk = new File(tempFilePath);

if (!tempFileMk.exists()) {

tempFileMk.mkdirs();

}

} catch (Exception e1) {

e1.printStackTrace();

}

File desFile = null;

if (!file.isEmpty()) {

String suffixName = file.getFileItem().getName();

suffixName = suffixName.substring(suffixName.lastIndexOf("."), suffixName.length());

try {

realPath = realPath + suffixName;

desFile = new File(tempFilePath,suffixName);

file.transferTo(desFile);

res = analyticaliFile(desFile,res);

} catch (Exception e) {

res.setErrorMsg("文件上传失败" + e.getMessage());

e.printStackTrace();

}

res.setData(absolutePath+realPath);

res.setSuccess(true);

} else {

res.setErrorMsg("请选择上传文件");

}

return res;

}

public BaseResult analyticaliFile(File file,BaseResult base) {

try {

// excel转化成的list集合

String[] columns = {"no","username","password","fname","province","city"};

Excel2EntityConfig config = new Excel2EntityConfig();

config.setColumns(columns);

////设置日期的格式，和Excel里的日期格式一至

config.setFormater(new SimpleDateFormat("yyyy/MM/dd"));

////设置从第行开始读，忽略前4行

config.setCurrPosittion(2);

config.setColStartPosittion(1);

ExcelReader<FinancialPlanner> excel = new ExcelReader<FinancialPlanner>();

excel.setExcel2EntityConfig(config);

InputStream in = new FileInputStream(file);

excel.InitExcelReader(in);

FinancialPlanner entity = new FinancialPlanner();

excel.setEntity(entity);

List<FinancialPlanner> list = new ArrayList<FinancialPlanner>();

entity = excel.readLine();

while (entity != null) {

list.add((FinancialPlanner) BeanUtils.cloneBean(entity));

entity = excel.readLine();

}

String url = Global.getNetUrl("saveFinancialUrl");

for (FinancialPlanner financialPlanner : list) {

Map map = JSONObject.parseObject(JSON.toJSON(financialPlanner).toString(),Map.class);

String json = HttpClientUtil.post(url, map);

System.out.println(json);

}

file.delete();

base.setSuccess(true);

} catch (Exception e) {

e.printStackTrace();

base.setErrorMsg("解析异常");

}

return base;

}

import java.util.HashMap;

import java.util.Map;

/**

* 全局配置类

*/

public class Global {

/**

* 保存全局属性值

*/

private static Map<String, String> map = new HashMap();

/**

* 属性文件加载对象

*/

private static PropertiesLoader propertiesLoader = new PropertiesLoader("application.properties");

/**

* 获取配置

*/

public static String getConfig(String key) {

String value = map.get(key);

if (value == null){

value = propertiesLoader.getProperty(key);

map.put(key, value);

}

return value;

}

/**

* 获取管理端根路径

*/

public static String getAdminPath() {

return getConfig("adminPath");

}

public static String getNetUrl(String key) {

return getConfig("url")+getConfig(key);

}

}

import java.io.IOException;

import java.io.InputStream;

import java.util.NoSuchElementException;

import java.util.Properties;

import org.apache.commons.io.IOUtils;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.core.io.DefaultResourceLoader;

import org.springframework.core.io.Resource;

import org.springframework.core.io.ResourceLoader;

/**

* Properties文件载入工具类. 可载入多个properties文件, 相同的属性在最后载入的文件中的值将会覆盖之前的值，但以System的Property优先.

*/

public class PropertiesLoader {

private static Logger logger = LoggerFactory.getLogger(PropertiesLoader.class);

private static ResourceLoader resourceLoader = new DefaultResourceLoader();

private final Properties properties;

public PropertiesLoader(String... resourcesPaths) {

properties = loadProperties(resourcesPaths);

}

public Properties getProperties() {

return properties;

}

/**

* 取出Property，但以System的Property优先,取不到返回空字符串.

*/

private String getValue(String key) {

String systemProperty = System.getProperty(key);

if (systemProperty != null) {

return systemProperty;

}

if (properties.containsKey(key)) {

return properties.getProperty(key);

}

return "";

}

/**

* 取出String类型的Property，但以System的Property优先,如果都为Null则抛出异常.

*/

public String getProperty(String key) {

String value = getValue(key);

if (value == null) {

throw new NoSuchElementException();

}

return value;

}

/**

* 取出String类型的Property，但以System的Property优先.如果都为Null则返回Default值.

*/

public String getProperty(String key, String defaultValue) {

String value = getValue(key);

return value != null ? value : defaultValue;

}

/**

* 取出Integer类型的Property，但以System的Property优先.如果都为Null或内容错误则抛出异常.

*/

public Integer getInteger(String key) {

String value = getValue(key);

if (value == null) {

throw new NoSuchElementException();

}

return Integer.valueOf(value);

}

/**

* 取出Integer类型的Property，但以System的Property优先.如果都为Null则返回Default值，如果内容错误则抛出异常

*/

public Integer getInteger(String key, Integer defaultValue) {

String value = getValue(key);

return value != null ? Integer.valueOf(value) : defaultValue;

}

/**

* 取出Double类型的Property，但以System的Property优先.如果都为Null或内容错误则抛出异常.

*/

public Double getDouble(String key) {

String value = getValue(key);

if (value == null) {

throw new NoSuchElementException();

}

return Double.valueOf(value);

}

/**

* 取出Double类型的Property，但以System的Property优先.如果都为Null则返回Default值，如果内容错误则抛出异常

*/

public Double getDouble(String key, Integer defaultValue) {

String value = getValue(key);

return value != null ? Double.valueOf(value) : defaultValue;

}

/**

* 取出Boolean类型的Property，但以System的Property优先.如果都为Null抛出异常,如果内容不是true/false则返回false.

*/

public Boolean getBoolean(String key) {

String value = getValue(key);

if (value == null) {

throw new NoSuchElementException();

}

return Boolean.valueOf(value);

}

/**

* 取出Boolean类型的Property，但以System的Property优先.如果都为Null则返回Default值,如果内容不为true/false则返回false.

*/

public Boolean getBoolean(String key, boolean defaultValue) {

String value = getValue(key);

return value != null ? Boolean.valueOf(value) : defaultValue;

}

/**

* 载入多个文件, 文件路径使用Spring Resource格式.

*/

private Properties loadProperties(String... resourcesPaths) {

Properties props = new Properties();

for (String location : resourcesPaths) {

//logger.debug("Loading properties file from:" + location);

InputStream is = null;

try {

Resource resource = resourceLoader.getResource(location);

is = resource.getInputStream();

props.load(is);

} catch (IOException ex) {

logger.info("Could not load properties from path:" + location + ", " + ex.getMessage());

} finally {

IOUtils.closeQuietly(is);

}

}

return props;

}

}