samplebean1.java

jsp学习 jsp编程白例源代码此部分是指文件夹名为第1～9章中的内容（如表1）

package ch7;
import java.io.*;
public class SampleBean1{
	public SampleBean1()
		{
  		}
  
	private String sumincom;
	private String taxstart;
	private double tax;
		
	public void setSumincom(String sumincom) 
		{
	    		this.sumincom = sumincom;
	  	}
	public String getSumincom() 
		{
	    		return sumincom;
	  	}
	  	
	public void setTaxstart(String taxstart) 
		{
	    		this.taxstart = taxstart;
	  	}
	public String getTaxstart() 
		{
	    		return taxstart;
	  	}
	public void setTax(double tax) 
		{
	    		this.tax = tax;
	  	}  	
	public double getTax() 
		{
	    		return tax;
	  	}
	public void calculate()
		{
			double totalmoney = Double.parseDouble(sumincom);
			double basemoney = Double.parseDouble(taxstart);
			double balance = totalmoney - basemoney;
			try
			{ 
				if(balance<0) tax=0;
				if(balance>0&&balance<=500) tax=balance*0.05;
				if(balance>500&&balance<=2000) tax=balance*0.1-25;
				if(balance>2000&&balance<=5000) tax=balance*0.15-125;
				if(balance>5000&&balance<=20000) tax=balance*0.2-375;
				if(balance>20000&&balance<=40000) tax=balance*0.25-1375;
				if(balance>40000&&balance<=60000) tax=balance*0.3-3375;
				if(balance>60000&&balance<=80000) tax=balance*0.35-6375;
				if(balance>80000&&balance<=100000) tax=balance*0.4-10375;
				if(balance>100000) tax=balance*0.45-15375;
			}
			catch(Exception e)			  
			{
				System.out.println(e.toString());
			}
		}
}