u05a202form.java

持久层hibernate技术使用的一个例子

package cn.hope.mana.form;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;

public class U05A202Form extends ActionForm {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private String questions;
	private String answer;
	private String type;
	
	public String getAnswer() {
		return answer;
	}
	public void setAnswer(String answer) {
		this.answer = answer;
	}
	public String getQuestions() {
		return questions;
	}
	public void setQuestions(String questions) {
		this.questions = questions;
	}
	public String getType() {
		return type;
	}
	public void setType(String type) {
		this.type = type;
	}
	
	public ActionErrors validate(ActionMapping mapping,HttpServletRequest request){
		
		ActionErrors err = new ActionErrors();
		
		int i =0;
		int x = 0;

		if(type.equals("0")){
			err.add("insertError",new ActionMessage("insertError","请选择题型"));
		}
		
		if(type.equals("1")){
			if(questions.trim().length()==0){
				err.add("insertError",new ActionMessage("insertError","请输入考题"));
				return err;
			}
			if(answer.trim().length()==0){
				err.add("insertError",new ActionMessage("insertError","请输入答案"));
				return err;
			}
			if(answer.length()>1){
				err.add("insertError",new ActionMessage("insertError","输入的答案有错误"));
				return err;
			}
		}
		
		if(type.equals("2")){
			if(questions.trim().length()==0){
				err.add("insertError",new ActionMessage("insertError","请输入考题"));
				return err;
			}
			
			if(questions.trim().length()>0){
				int formIndex = questions.indexOf("____",0);
				if(formIndex==-1){
					err.add("insertError",new ActionMessage("insertError","输入的考题不合法"));
					return err;
				}else{
					String qtr = questions.replaceAll("____","*");
					for(int j = 0;j<qtr.length();j++){
						char d = qtr.charAt(j);
						if(d=='*'){
							i++;
						}
					}
				}	
			}
			
			if(answer.trim().length()==0){
				err.add("insertError",new ActionMessage("insertError","请输入答案"));
				return err;
			}
			
			if(answer.length()>0){
				for(int j = 0;j<answer.length();j++){
					char d = answer.charAt(j);
					if(d=='|'){
						x++;
					}else{
						x=0;
					}
				}
				if(x!=i-1){
					err.add("insertError",new ActionMessage("insertError","答案数量和考题不一致"));
					return err;
				}
			}
			
			if(answer.length()>25){
				err.add("insertError",new ActionMessage("insertError","答案长度过大"));
				return err;
			}
		}
		
		if(type.equals("3")){
			
			if(questions.trim().length()==0){
				err.add("insertError",new ActionMessage("insertError","请输入考题"));
				return err;
			}

			if(answer.length()>25){
				err.add("insertError",new ActionMessage("insertError","答案长度过大"));
				return err;
			}
		}
		
		if(type.equals("4")){
			
			if(questions.trim().length()==0){
				err.add("insertError",new ActionMessage("insertError","请输入考题"));
				return err;
			}

			if(answer.trim().length()==0){
				err.add("insertError",new ActionMessage("insertError","请输入答案"));
				return err;
			}
			
			if(answer.length()>0){
				for(int j = 0;j<answer.length();j++){
					char d = answer.charAt(j);
					if(d=='|'){
						x++;
					}else{
						x=0;
					}
				}
				if(x>0){
					if(answer.length()!=x+1){
						err.add("insertError",new ActionMessage("insertError","输入的答案有错误"));
						return err;
					}
				}	
			}	
			
			if(answer.length()>25){
				err.add("insertError",new ActionMessage("insertError","答案长度过大"));
				return err;
			}
		}
		
		if(type.equals("5")){
			
			if(questions.trim().length()==0){
				err.add("insertError",new ActionMessage("insertError","请输入考题"));
				return err;
			}

			if(answer.length()>25){
				err.add("insertError",new ActionMessage("insertError","答案长度过大"));
				return err;
			}
		}
		
		

		return err;
	}

}