src/com/ccit/action/CarAction.java

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package com.ccit.action;

import java.util.*;
import java.io.*;
import java.text.*;
import org.apache.struts2.ServletActionContext;
import com.ccit.manager.ObjectManager;
import com.ccit.model.Car;
import com.opensymphony.xwork2.*;

import com.system.util.PageModel;

@SuppressWarnings({ "unchecked" })
public class CarAction extends ActionSupport {
	private static final long serialVersionUID = 1l;
	private static final int BUFFER_SIZE = 1;
	private File myFile;
	private String contentType;
	private String fileName;
	private String imageFileName;
	private Car util;
	private PageModel<Car> pageModel;
	private String errMsg;
	private String field;
	private String fieldValue;
	private ObjectManager objectManager;

	public String getAllUtil() throws Exception{
		if (null == pageModel) {
			pageModel = new PageModel<Car>();
		}
		if (0 == pageModel.getCurrentPageNo()) {
			pageModel.setCurrentPageNo(1);
		}
		StringBuilder _sql = new StringBuilder();
		_sql.append(" from Car ");
		if (null != field && field.trim().length() > 0) {
			String _Str = new String(fieldValue.getBytes("iso-8859-1"), "utf-8");
			_sql.append(" where " + field + " like '%" + _Str + "%'");
		}
		pageModel = objectManager.getUtil(_sql.toString(), pageModel.getCurrentPageNo());
		errMsg = null;
		return "find";
	}

	public String updateUtil() throws Exception {
		int id = util.getId();
		if(id == 0){
			boolean flag = false;
			flag = upload();
			if (flag) {
				objectManager.saveObject(util);
				util = null;
				return "ok";
			} else {
				errMsg = "upload err";
				return "saveOrUpdate";
			}
		}
		Car tmp = (Car) objectManager.getObject(new Car(), util.getId());