生成随机字符串

引用的jar

<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
  <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.6</version>
        </dependency>

方法

String str=RandomStringUtils.random(10,false,true);

• @param letters if {@code true}, generated string may include * alphabetic characters * @param numbers if {@code true}, generated string may include * numeric characters * @return the random string

lang包3.5里能正常引用，3.6里该方法已过期。 用以下方法代替。但没找到对应的类。。。。

RandomStringGenerator generator1 = new RandomStringGenerator.Builder()
            .withinRange('a', 'z').build();