package com.example.wenzi;
import java.util.Random;
import android.os.Bundle;
import android.app.Activity;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
String text="固定的中文";
try {
String selectText = getRandomText(text);
System.out.println("----------------------------------->>>>>>>>>>>>>>>>");
System.out.println(selectText);
System.out.println("----------------------------------->>>>>>>>>>>>>>>>");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
//随机的字符一共为24个
private String getRandomText(String answer) throws Exception {
StringBuilder builder = new StringBuilder();
builder.append(answer);
while (builder.length() < 24) {
builder.append(getRandom());
}
return builder.toString();
}
//生成一个随机字符
private Random random = new Random();
private String getRandom() throws Exception {
String str = null;
int hightPos, lowPos; // 定义高低位
hightPos = (176 + Math.abs(random.nextInt(39)));
lowPos = (161 + Math.abs(random.nextInt(93)));
byte[] b = new byte[2];
b[0] = (new Integer(hightPos).byteValue());
b[1] = (new Integer(lowPos).byteValue());
str = new String(b, "GBk");// 转成中文
return str;
}
}
在Logcat中可以看见输出的24个中文字符
