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!146 无符号算数验证码两个随机数生成相同概率较高问题

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Merge pull request !146 from tmjAccount/dev
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疯狂的狮子Li 2022-02-24 05:09:37 +00:00 committed by Gitee
commit 77756eb08d
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1 changed files with 7 additions and 7 deletions
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14
ruoyi-common/src/main/java/com/ruoyi/common/captcha/UnsignedMathGenerator.java
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@ -41,14 +41,14 @@ public class UnsignedMathGenerator implements CodeGenerator {
@Override @Override
public String generate() { public String generate() {
final int limit = getLimit(); final int limit = getLimit();
int min = RandomUtil.randomInt(limit); int a = RandomUtil.randomInt(limit);
int max = RandomUtil.randomInt(min, limit); int b = RandomUtil.randomInt(limit);
String number1 = Integer.toString(max); String max = Integer.toString(Math.max(a,b));
String number2 = Integer.toString(min); String min = Integer.toString(Math.min(a,b));
number1 = StringUtils.rightPad(number1, this.numberLength, CharUtil.SPACE); max = StringUtils.rightPad(max, this.numberLength, CharUtil.SPACE);
number2 = StringUtils.rightPad(number2, this.numberLength, CharUtil.SPACE); min = StringUtils.rightPad(min, this.numberLength, CharUtil.SPACE);
return number1 + RandomUtil.randomChar(OPERATORS) + number2 + '='; return max + RandomUtil.randomChar(OPERATORS) + min + '=';
} }
@Override @Override