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137459045:
import java.io.File;
public cla ...
网页页面浮动窗口 -
137459045:
FileInputStream fis=new FileInp ...
oracle trigger+sequence id自动增长 -
137459045:
<table width="100%" ...
hibernate 学习资料 ppt -
137459045:
hibernate 学习资料 ppt
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 6.0">
<script language=JScript>
<!--
//可以打包为js文件;
var x0=0,y0=0,x1=0,y1=0;
var offx=6,offy=6; ...
1. String.trim()
trim()是去掉首尾空格
2.str.replace(" ", ""); 去掉所有空格,包括首尾、中间
String str = " hell o ";
String str2 = str.replaceAll(" ", "");
System.out.println(str2);
3.或者replaceAll(" +",""); 去掉所有空格
4.str = .replaceAll("\ ...
1.
select * from s_hrdata
2. 创建Sequence:
create sequence s_hrdata_SEQUENCE start with 1 increment by 1
3.创建Trigger:
CREATE OR REPLACE TRIGGER s_hrdata_trgger
BEFORE INSERT OR UPDATE OF ID
ON s_hrdata
FOR EACH ROW
BEGIN
SELECT s_hrdata_SEQUENCE.NEXTVAL INTO :NEW.ID FROM DUAL;
...
hibernate 学习资料 ppt
点击按钮动态添加 <input type="file">