/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package schoolReport;
import java.util.*;
/**
*
* @author Administrator
*/
public class ComputeScore {
double compute(String chengjiForm){
Scanner scanner = new Scanner(chengjiForm);//创建scanner,将chengjiForm传递给构造方法的参数
String regex = "[^0123456789.]+";
scanner.useDelimiter(regex); //scanner调用useDelimiter(String regex),将regex传递给该方法的参数
double sum=0;
while(scanner.hasNext()){
try{
double price = scanner.nextDouble();//scanner调用nextDouble()返回数字单词
sum = sum+price;
}
catch(InputMismatchException exp){
String t=scanner.next();
}
}
return sum;
}
}
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package shoppingReceipt;
import checkIntroduction.*;
/**
*
* @author Administrator
*/
public class ShowComputePice {
public void showComputePice(){
String s1="苹果:56.7元,香蕉:12元,芒果:19.8元";
String s2="酱油:6.7元,精盐:0.8元,榨菜:9.8元";
ComputePice jisuan = new ComputePice();
String regex = "[^0123456789.]+";//匹配所有非数字字符串
String s1_number = s1.replaceAll(regex, "*");
//
String regex2 = "[0123456789元.]+";
String temp = s2.replaceAll(regex2, "");
temp = temp.replaceAll(":"," ");
temp = temp.replaceAll(",", " ");
System.out.println("***************");
System.out.println(temp);
System.out.println();
//
double priceSum = jisuan.compute(s1_number,"*");
System.out.printf("\"%s\"价格总和:\n%f元\n",s1,priceSum);
String s2_number = s2.replaceAll(regex, "#");
priceSum = jisuan.compute(s2_number, "#");
System.out.printf("\"%s\"价格总和:\n%f元\n",s2,priceSum);
}
}
ShowComputePice scp=new ShowComputePice();
scp.showComputePice();
System.out.printf("\n\n");