User user session.load(id,User.class); 当load获取不到数据时,不返回NULL,返回一个该对象的代理,代理内获取不到数据会抛异常。具体如下;
User$Proxy extends User{
private int id id;
User realUser null;
getName(){
if(realName n…
这里填写标题1. Go 常用库1.1. HTTP1.1.1. goproxy: An HTTP proxy library for Go1.1.2. go-retryablehttp1.1.2.1. exponential backoff(指数退避)1.1.3. go-dnscache1.2. 替代库1.2.1. 替代 git, go-git: A highly extensible Git implementation in pure Go.1.3. 社交1.3.1…
动态代理其实就是java.lang.reflect.Proxy类动态的根据您指定的所有接口生成一个class byte,该class会继承Proxy类,并实现所有你指定的接口(您在参数中传入的接口数组);然后再利用您指定的classloader将 class byte加载…
在看这篇文章之前你有必要读一下我上一篇Jdk动态代理,里面从源码刨析,看完再回来看这个事半功倍
https://blog.csdn.net/fly19920602/article/details/108311237 先准备演示代码 项目结构 一个被代理类
/*** Created by lijinquan on 2020/9/3.*/
publ…
vue2.0的双向数据绑定其实就是用了es5新增加的Object.defineProperty来进行数据劫持的
<span id"spanName"></span>
<input type"text" id"inputName">
let obj { name : };
let newObj Object.parse(Object.stringify(o…
请求后打开新页面被拦截Maybe youre an attacker who sneaked in a little JavaScript to an unsuspecting site and would like to, well, sneak. Or maybe you want to know what exactly all these third-party analytics scripts are "calling home". Or maybe j…
1、
var a 10,b 11,c 12;
function test(a) {a 1;var b 2;c 3;
}
test(10);
console.log(a, b, c);2、
var a 4;
function b(x, y, a) {console.log(a);arguments[2] 10;console.log(a);
}
a b(1, 2, 3);
console.log(a);3、
function fn(x, y) {/!** EC(FN)* 作…