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pom文件中只需添加三个maven依赖: 阅读全文
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选择排序: 插入排序: 阅读全文
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/** *饿汉式 */ public class Singleton { private Singleton(){} private static Singleton instance = new Singleton(); public static Singleton getInstance(){ return instance; } } ... 阅读全文
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https://blog.csdn.net/ahou2468/article/details/79015251 阅读全文
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"15677778888".replace(/^(\d{3})\d{4}(\d{4})$/,'$1****$2'); 输出: "156****8888" 阅读全文
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function updatePersonInfo() { var user_name = $("#user_name").val(); var realname = $('#realname').val(); var education = $('#education').val(); var sex = $("input[name='sex']:checked... 阅读全文