JavaScript 编写九九乘法表
<!doctype html>
<html >
<head>
<meta charset="UTF-8">
<title>20171031</title>
</head>
<body>
<script>
for( var a = 1; a < 10; a++ )
{
for( var b = 1; b <= a; b++ )
{
document.write( b + "*" + a + "=" + a*b+"\t" );
document.write( " " );
}
document.write( "<br />" );
}
</script>
</body>
</html>
Java 编程题
package demo;
public class Java3 {
public static void main(String[] args) {
TestTN tt=new TestTN();
tt.print();
}
}
class TestTN{
public void print(){
for(int j=1;j<=4;j++){
for(int i=1;i<=4;i++){
if(i!=j){
for(int k=1;k<=4;k++){
if(k!=j&&k!=i){
System.out.print(j);
System.out.print(i);
System.out.print(k);
System.out.print(" ");
}
}
}else
continue;
}
}
}
}
MySQL 编程题
/*
Navicat MySQL Data Transfer
Source Server : java96
Source Server Version : 50556
Source Host : localhost:3306
Source Database : 10.30
Target Server Type : MYSQL
Target Server Version : 50556
File Encoding : 65001
Date: 2017-10-31 09:30:04
*/
SET FOREIGN_KEY_CHECKS=0;
-- ----------------------------
-- Table structure for 10.30
-- ----------------------------
DROP TABLE IF EXISTS `10.30`;
CREATE TABLE `10.30` (
`id` int(10) NOT NULL AUTO_INCREMENT,
`Name` varchar(255) CHARACTER SET utf8 NOT NULL,
`Tel` bigint(122) NOT NULL,
` Content` varchar(255) CHARACTER SET utf8 NOT NULL,
`Date` date NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1;
-- ----------------------------
-- Records of 10.30
-- ----------------------------
INSERT INTO `10.30` VALUES ('1', '张三', '13333663366', '大专毕业', '2006-10-11');
INSERT INTO `10.30` VALUES ('2', '张四', '13612312331', '本科毕业', '2006-10-15');
INSERT INTO `10.30` VALUES ('3', '小明', '13905333221', '中专毕业', '2006-10-15');
-- 有一新记录新增至表中
INSERT INTO `10.30` VALUES ('4','小王',' 13254748547','高中毕业','2006-05-06')
-- 请写出删除姓名为张四的全部记录。
DELETE FROM `10.30` WHERE id=2
-- 把张三的时间更新为当前系统时间
UPDATE `10.30` SET NAME='张三',DATE=NOW() WHERE id=1