@RequestMapping(value"orderExcelList2")publicvoidorderExcelList2forJava(Orderorder,HttpServletResponseresponse){Map<String,ObjectmaptoOrderExcelJSONList2(order);

importjava.math.BigInteger;importjava.util.Scanner;publicclassCalculateN{/\\\@paramargs\/publicstaticvoidmain(String\\args){System.out.print

　importcom.alibaba.fastjson.JSONObject;1@PostMapping(value"/insertupdate")2publicResponseDatainserCase(@RequestBodyMap<String,Objectparam){3

  classtest   {       publicstringa;      publicintb;       publicbyte\\c;       publicIntPtrd;   }把上面对象序列化成string并保存。 testtnewtest(){

Java13都快要来了，12必须跟栈长学起！Java13即将发布，新特性必须抢先看！(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fmp.weixin.qq.com%2Fs%2FGg6KKz7vhDRpzeMR8CG4DA)栈长之前在Java技术栈微信公众号分享过《J

一、单个参数：publicList<XXBeangetXXBeanList(StringxxCode);<selectid"getXXXBeanList"parameterType"java.lang.String"resultType"XXBean"　　selectt.

  JDK8  这俩个方法经常用，今天突然好奇怎么实现的，之前也看过，不过今天再来看下，记录下来equalsIgnoreCase  _List1_publicbooleanequalsIgnoreCase(StringanotherString){return

EFCore生成PersistedGrantDbContextModelSnapshot的时候发现b.Property<string("Data").IsRequired().HasMaxLength(50000);最大长度是

publicDown(path:string){returnthis.http.get(path,{responseType:"blob"}).subscribe((results){this.saveExcel(results,"导出数据");

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