package com.liuxt.sort; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class SortMain {

public static void main(String[] args) {

SortTemplate template = null;

//初始化模版类

try {

template = new SortTemplate();

} catch (Exception e) {

e.printStackTrace();

System.exit(1);

}

int dataLength=0,maxElement=0;

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

//boolean isExit=false;

while (true) {

try {

String arrayLength=getInputDataLength(br);

dataLength = Integer.parseInt(arrayLength);

if (dataLength < 0){

System.out.println("\n数组的长度必须大于0:");

continue;

}

break;

} catch (NumberFormatException e) {

System.out.println("\n重新输入排序数组的长度(只能输入数字):");

continue;

} catch (IOException e) {

e.printStackTrace();

System.exit(1);

}

}

template.setDataLength(dataLength);

while (true) {

try {

String max=getInputMax(br);

maxElement = Integer.parseInt(max);

if (dataLength < 0){

System.out.println("\n数字必须大于0:");

continue;

}

break;

} catch (NumberFormatException e) {

System.out.println("\n重新输入数组的元素的最大值(只能输入数字):");

continue;

} catch (IOException e) {

e.printStackTrace();

System.exit(1);

}

}

template.setMaxElement(maxElement);

int algorithm=0;

while(true){

showUsage();

String selectNumber = null;

try {

selectNumber = br.readLine();

try{

algorithm = Integer.parseInt(selectNumber);

}catch (NumberFormatException e) {

//e.printStackTrace();

System.out.println("请选择正确的排序算法序号!");

continue;

}

if (algorithm == 0)

System.exit(0);

else if(algorithm!=9){

try {

template.sortDataByName(SortUtil.getSortNameById(algorithm-1));

} catch (Exception e) {

e.printStackTrace();

System.exit(1);

}

}

else {

try {

template.sortDataByAll();

} catch (Exception e) {

e.printStackTrace();

System.exit(1);

}

}

} catch (IOException e) {

e.printStackTrace();

System.exit(1);

}

}

}

private static

String getInputDataLength(BufferedReader br) throws IOException{

System.out.print("输入排序数组的长度:");

String arrayLength=null;

arrayLength = br.readLine();

return arrayLength;

}

private static

String getInputMax(BufferedReader br) throws IOException {

System.out.print("输入数组中整数的最大值:");

//BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

String max=null;

max = br.readLine();

return max;

}

private static void showUsage() {

System.out.println("\n请选择排序算法:");

System.out.println("

1 直接插入排序 ");

System.out.println("

2 选择法排序 ");

System.out.println("

3 冒泡法排序 ");

System.out.println("

4 快速法排序 ");

System.out.println("

5 希尔法排序 ");

System.out.println("

6 堆法排序 ");

System.out.println("

7 归并排序 ");

System.out.println("

9 执行所有排序 ");

System.out.println("

0 退出 ");

} }