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RSS订阅原创 java静态代码块输出顺序
class Parent { static { System.out.println("静态代码块Parent static"); } { System.out.println("构造代码块Parent {}"); } public Parent() { System.out.println("构造方...
2019-12-16 14:45:42
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原创 PageBean封装分页对象
package com.cpy.common.util; import com.github.pagehelper.PageInfo; import java.beans.IntrospectionException; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; im...
2019-12-15 00:15:29
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原创 PageJson分页数据对象实体
import com.alibaba.fastjson.JSONObject; import com.github.pagehelper.PageInfo; import java.beans.IntrospectionException; import java.lang.reflect.InvocationTargetException; import java.util.ArrayLis...
2019-12-15 00:14:28
851
原创 Java批量修改数据逻辑
List<samples> samples = dao.getSamples(); if (samples.size() > 0) { final int total = samples.size();// 总记录数 final int batchSize = 10000; // 每次插入记录数 int toIndex = batchSize; /...
2019-12-04 09:27:25
1498
原创 Linux安装配置mysql
-- 检查是否安装mysql，如果已安装，以下都不要安装了 rpm -qa | grep mysql-server sudo yum -y install mysql-server sudo vi /etc/my.cnf 在[mysqld]节点下修改default-character-set的编码为utf8 default-character-set=utf8 -- 开机启动配置 sudo...
2018-05-11 23:33:38
144
原创 实用工具类Tool
import java.io.Closeable; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.Map; import java.util.regex.Matcher; import java.util.regex.Pattern; im...
2018-05-11 22:35:36
735
原创 CookieUtil工具类
import org.apache.commons.lang3.StringUtils; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class CookieUtil { ...
2018-05-11 22:04:25
2586
原创 安装配置JDK
Linux环境下安装JDKcurl -o jdk-8u171-linux-x64.tar.gz http://download.oracle.com/otn-pub/java/jdk/8u171-b11/512cd62ec5174c3487ac17c61aaa89e8/jdk-8u171-linux-x64.tar.gz?AuthParam=1526018647_fad162587aec43471...
2018-05-11 21:48:24
248
原创 JavaBean和Map对象互转
import java.beans.BeanInfo; import java.beans.Introspector; import java.beans.PropertyDescriptor; import java.lang.reflect.Method; import java.util.HashMap; import java.util.Map; public class BeanToM...
2018-05-11 21:07:34
231
原创 日期转换工具类JodaTimeUtil
引入依赖包 <dependency> <groupId>joda-time</groupId> <artifactId>joda-time</artifactId> <version>2.3</version> </dependency>
2018-05-11 20:56:34
1595
原创 Java通用JsonUtil
首先引入依赖包 <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.12</version> &a
2018-05-11 20:47:57
1024
原创 Java中枚举的简单示例
public enum PaymentEnum { ONLINE_PAY(1, "在线支付"), CASH_ONLY(2,"现金支付"); PaymentEnum(int code,String value) { this.code = code; this.value = value; } private String value; p...
2018-05-11 20:14:56
504
原创 HTML特殊字符大全
HTML特殊字符大全<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>HTML特殊字符大全</title> </head&
2018-05-05 16:47:08
1366
原创 雪花飞舞动画
雪花飞舞动画JQuery版<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>雪花飞舞动画</title> <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jque
2018-05-05 16:39:10
354
原创 form表单内容转javascript对象
form表单内容转javascript对象，便于ajax提交数据 function serializeFormObject(selector) { var a, o, h, i, e; a = $(selector).serializeArray(); o = {}; h = o.hasOwnProperty; for (i = 0; i < a...
2017-11-23 14:46:19
1401
原创 ios中设置view的圆角角度
// view为你要设置的视图 - (void) setRoundCorners:(UIView *)view borderColor:(CGColorRef)color borderWidth:(CGFloat)width cornerRadius:(CGFloat)radius { [[view layer] setBorderColor:color]; // 设置边框颜色 [[vie
2012-01-19 12:29:05
833
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