75 lines
2.0 KiB
Plaintext
75 lines
2.0 KiB
Plaintext
package com.cmeim.gateway.config;
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import java.util.Random;
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import com.google.code.kaptcha.text.impl.DefaultTextCreator;
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/**
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* 验证码文本生成器
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*
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* @author ruoyi
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*/
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public class KaptchaTextCreator extends DefaultTextCreator
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{
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private static final String[] CNUMBERS = "0,1,2,3,4,5,6,7,8,9,10".split(",");
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@Override
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public String getText()
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{
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Integer result = 0;
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Random random = new Random();
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int x = random.nextInt(10);
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int y = random.nextInt(10);
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StringBuilder suChinese = new StringBuilder();
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int randomoperands = (int) Math.round(Math.random() * 2);
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if (randomoperands == 0)
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{
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result = x * y;
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suChinese.append(CNUMBERS[x]);
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suChinese.append("*");
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suChinese.append(CNUMBERS[y]);
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}
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else if (randomoperands == 1)
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{
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if (!(x == 0) && y % x == 0)
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{
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result = y / x;
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suChinese.append(CNUMBERS[y]);
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suChinese.append("/");
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suChinese.append(CNUMBERS[x]);
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}
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else
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{
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result = x + y;
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suChinese.append(CNUMBERS[x]);
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suChinese.append("+");
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suChinese.append(CNUMBERS[y]);
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}
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}
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else if (randomoperands == 2)
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{
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if (x >= y)
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{
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result = x - y;
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suChinese.append(CNUMBERS[x]);
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suChinese.append("-");
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suChinese.append(CNUMBERS[y]);
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}
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else
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{
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result = y - x;
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suChinese.append(CNUMBERS[y]);
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suChinese.append("-");
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suChinese.append(CNUMBERS[x]);
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}
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}
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else
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{
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result = x + y;
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suChinese.append(CNUMBERS[x]);
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suChinese.append("+");
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suChinese.append(CNUMBERS[y]);
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}
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suChinese.append("=?@" + result);
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return suChinese.toString();
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}
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} |