String.format(“%010d”, 25);
0代表前面要补的字符
10代表字符串长度
d表示参数为整数类型
java int类型转换成String,不足10位在前面补0
- Post link: http://tianqing.work/2017/05/09/java-int%E7%B1%BB%E5%9E%8B%E8%BD%AC%E6%8D%A2%E6%88%90String-%E4%B8%8D%E8%B6%B310%E4%BD%8D%E5%9C%A8%E5%89%8D%E9%9D%A2%E8%A1%A50/
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