diaolizhi

@Insert("INSERT IGNORE INTO t_user " +
        "(email, password, salt, is_active) " +
        "VALUES (#{email}, #{password}, #{salt}, 1)")
int addUser(TUser user);


//重点是 IGNORE

diaolizhi

import java.security.SecureRandom;
import java.util.Locale;
import java.util.Objects;
import java.util.Random;

public class RandomString {

    /**
     * Generate a random string.
     */

diaolizhi

<nav class="navbar navbar-light navbar-expand-md navigation-clean-button">
    <div  data-toggle="collapse" data-target=".navbar-collapse.show" class="container"><router-link class="navbar-brand" to="/">首页</router-link><button class="navbar-toggler" data-toggle="collapse" data-target="#navcol-1"><span class="sr-only">Toggle navigation</span><span class="navbar-toggler-icon"></span></button>
        <div class="collapse navbar-collapse"
            id="navcol-1">
            <ul class="nav navbar-nav mr-auto">
                <li class="nav-item" role="presentation"><router-link class="nav-link" to="/see-other-forum-list">查贴吧</router-link></li>
                <li class="nav-item" role="presentation"><a class="nav-link" href="#">Second Item</a></li>
                <li class="dropdown"><a class="dropdown-toggle nav-link dropdown-toggle" data-toggle="dropdown" aria-expanded="false" href="#">Dropdown</a>
                    <div class="dropdown-menu" role="menu"><a class="dropdown-item" role="presentation" href=

diaolizhi

import java.io.Serializable;

/**
 * 功能描述：工具类
 *
 * <p> 创建时间：May 14, 2018 7:58:06 PM </p>
 */
public class JsonData implements Serializable {

	/**

diaolizhi

package com.diaolizhi.mybatisdemo.utils;

import com.diaolizhi.mybatisdemo.domain.User;
import io.jsonwebtoken.Claims;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;


import java.util.Date;

diaolizhi

package chapter3;

/**
 * @program: studythread2
 * @description: 懒汉式单例模式
 * @author: diaolizhi
 * @create: 2018-11-13 12:39
 **/
public class LazySingleton {

diaolizhi

package chapter3;

/**
 * @program: studythread2
 * @description: synchronized Demo
 * @author: diaolizhi
 * @create: 2018-11-13 10:29
 **/
public class SynchronizedDemo {

diaolizhi

btnFinish.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        Intent intentToFinish = new Intent(WizardThree.this, FinishActivity.class);
        //重点是下面这一句
        intentToFinish.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
        intentToFinish.putExtra("setting", setting);
        startActivity(intentToFinish);
        WizardThree.this.finish();
    }

diaolizhi

//读
btn1.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        Intent intent = new Intent(MainActivity.this, WizardOne.class);
        intent.putExtra("setting", setting);
        startActivityForResult(intent, 1);
    }
});

diaolizhi

public Form1()
{
    //TimerCallback 是委托类型，可以关联一个形参为 Object 的函数
    TimerCallback timerCallback = new TimerCallback(timeUpdate);

    //Timer 每隔 1000ms 调用委托
    System.Threading.Timer timer = new System.Threading.Timer(timerCallback, "", 0, 1000);
}

public void timeUpdate(Object obj)