目录
- 1、sql
- 2、实体类
- 2.1、dept.java
- 2.2、emp.java
- 3、数据库模拟代码
1、sql
drop table if exists `tb_dept`; create table `tb_dept` ( `deptno` tinyint(2) unsigned not null comment '部门编号', `dname` varchar(14) character set utf8 collate utf8_general_ci null default null comment '部门名称', `loc` varchar(13) character set utf8 collate utf8_general_ci null default null comment '部门地址', primary key (`deptno`) using btree ) engine = innodb character set = utf8 collate = utf8_general_ci row_format = dynamic; insert into `tb_dept` values (10, 'accounting', 'new york'); insert into `tb_dept` values (20, 'research', 'dallas'); insert into `tb_dept` values (30, 'sales', 'chicago'); insert into `tb_dept` values (40, 'operations', 'boston'); ------------------------------------------------------------------- drop table if exists `tb_emp`; create table `tb_emp` ( `empno` int(4) unsigned not null, `ename` varchar(10) character set utf8 collate utf8_general_ci null default null, `job` varchar(9) character set utf8 collate utf8_general_ci null default null, `mgr` int(4) unsigned null default null, `hiredate` date null default null, `sal` decimal(7, 2) null default null, `comm` decimal(7, 2) null default null, `deptno` tinyint(2) unsigned null default null, primary key (`empno`) using btree, index `deptno`(`deptno`) using btree, constraint `tb_emp_ibfk_1` foreign key (`deptno`) references `tb_dept` (`deptno`) on delete restrict on update restrict ) engine = innodb character set = utf8 collate = utf8_general_ci row_format = dynamic; insert into `tb_emp` values (7369, 'smith', 'clerk', 7902, '1980-12-17', 800.00, null, 20); insert into `tb_emp` values (7499, 'allen', 'salesman', 7698, '1981-02-20', 1600.00, 300.00, 30); insert into `tb_emp` values (7521, 'ward', 'salesman', 7698, '1981-02-22', 1250.00, 500.00, 30); insert into `tb_emp` values (7566, 'jones', 'manager', 7839, '1981-04-02', 2975.00, null, 20); insert into `tb_emp` values (7654, 'martin', 'salesman', 7698, '1981-09-28', 1250.00, 1400.00, 30); insert into `tb_emp` values (7698, 'blake', 'manager', 7839, '1981-05-01', 2850.00, null, 30); insert into `tb_emp` values (7782, 'clark', 'manager', 7839, '1981-06-09', 2450.00, null, 10); insert into `tb_emp` values (7788, 'scott', 'analyst', 7566, '1987-04-19', 3000.00, null, 20); insert into `tb_emp` values (7839, 'king', 'president', null, '1981-11-17', 5000.00, null, 10); insert into `tb_emp` values (7844, 'turner', 'salesman', 7698, '1981-09-08', 1500.00, 0.00, 30); insert into `tb_emp` values (7876, 'adams', 'clerk', 7788, '1987-05-23', 1100.00, null, 20); insert into `tb_emp` values (7900, 'james', 'clerk', 7698, '1981-12-03', 950.00, null, 30); insert into `tb_emp` values (7902, 'ford', 'analyst', 7566, '1981-12-03', 3000.00, null, 20); insert into `tb_emp` values (7934, 'miller', 'clerk', 7782, '1982-01-23', 1300.00, null, 10);
2、实体类
2.1、dept.java
/**
* 部门
* @author hc
*
*/
public class dept {
/**
* 部门编号
*/
private integer deptno;
/**
* 部门名称
*/
private string dname;
/**
* 部门地址
*/
private string loc;
public dept() {
}
public dept(integer deptno, string dname, string loc) {
this.deptno = deptno;
this.dname = dname;
this.loc = loc;
}
public integer getdeptno() {
return deptno;
}
public void setdeptno(integer deptno) {
this.deptno = deptno;
}
public string getdname() {
return dname;
}
public void setdname(string dname) {
this.dname = dname;
}
public string getloc() {
return loc;
}
public void setloc(string loc) {
this.loc = loc;
}
@override
public string tostring() {
return "dept{" +
"deptno=" + deptno +
", dname='" + dname + '\'' +
", loc='" + loc + '\'' +
'}';
}
}
2.2、emp.java
/**
* 员工
* @author hc
*/
public class emp {
/**
* 员工编号
*/
private integer empno;
/**
* 员工姓名
*/
private string ename;
/**
* 工作
*/
private string job;
/**
* 上级领导编号
*/
private integer mgr;
/**
* 受雇日期
*/
private localdate hiredate;
/**
* 薪资
*/
private double sal;
/**
* 奖金
*/
private double comm;
/**
* 部门编号
*/
private integer deptno;
public emp() {
}
public emp(integer empno, string ename, string job, integer mgr, localdate hiredate, double sal, double comm, integer deptno) {
this.empno = empno;
this.ename = ename;
this.job = job;
this.mgr = mgr;
this.hiredate = hiredate;
this.sal = sal;
this.comm = comm;
this.deptno = deptno;
}
public integer getempno() {
return empno;
}
public void setempno(integer empno) {
this.empno = empno;
}
public string getename() {
return ename;
}
public void setename(string ename) {
this.ename = ename;
}
public string getjob() {
return job;
}
public void setjob(string job) {
this.job = job;
}
public integer getmgr() {
return mgr;
}
public void setmgr(integer mgr) {
this.mgr = mgr;
}
public localdate gethiredate() {
return hiredate;
}
public void sethiredate(localdate hiredate) {
this.hiredate = hiredate;
}
public double getsal() {
return sal;
}
public void setsal(double sal) {
this.sal = sal;
}
public double getcomm() {
return comm;
}
public void setcomm(double comm) {
this.comm = comm;
}
public integer getdeptno() {
return deptno;
}
public void setdeptno(integer deptno) {
this.deptno = deptno;
}
@override
public string tostring() {
return "emp{" +
"empno=" + empno +
", ename='" + ename + '\'' +
", job='" + job + '\'' +
", mgr=" + mgr +
", hiredate=" + hiredate +
", sal=" + sal +
", comm=" + comm +
", deptno=" + deptno +
'}';
}
}
3、数据库模拟代码
public class db {
private static list<emp> emps = new arraylist<>();
private static list<dept> depts = new arraylist<>();
static {
depts.add(new dept(10,"accounting","newyork"));
depts.add(new dept(20,"research","dallas"));
depts.add(new dept(30,"sales","chicago"));
depts.add(new dept(40,"operations","boston"));
emps.add(new emp(7369, "smith", "clerk", 7902,localdate.of(1980, 12, 17), 800d, null, 20));
emps.add(new emp(7499, "allen", "salesman", 7698, localdate.of(1981, 2, 20), 1600d, 300d, 30));
emps.add(new emp(7521, "ward", "salesman", 7698, localdate.of(1981, 2, 22), 1250d, 500d, 30));
emps.add(new emp(7566, "jones", "manager", 7893, localdate.of(1981, 4, 2), 2975d, null, 20));
emps.add(new emp(7654, "martin", "salesman", 7698, localdate.of(1981, 9, 28), 1250d, 1400d, 30));
emps.add(new emp(7698, "blake", "manager", 7839, localdate.of(1981, 5, 1), 2850d, null, 30));
emps.add(new emp(7782, "clark", "manager", 7839, localdate.of(1981, 6, 9), 2450d, 600d, 10));
emps.add(new emp(7788, "scott", "analyst", 7566, localdate.of(1987, 4, 19), 3000d, null, 20));
emps.add(new emp(7839, "king", "president", null, localdate.of(1981, 11, 17), 5000d, null, 10));
emps.add(new emp(7844, "turner", "salesman", 7698, localdate.of(1981, 9, 8), 1500d, null, 30));
emps.add(new emp(7876, "adams", "clerk", 7788, localdate.of(1987, 5, 23), 1100d, 350d, 20));
emps.add(new emp(7900, "james", "clerk", 7698, localdate.of(1981, 12, 3), 950d, null, 30));
emps.add(new emp(7902, "ford", "analyst", 7566, localdate.of(1981, 12, 3), 3000d, null, 20));
emps.add(new emp(7934, "miller", "clerk", 7782, localdate.of(1982, 1, 23), 1300d, 400d, 10));
}
public static list<emp> getemps() {
return emps;
}
public static list<dept> getdepts() {
return depts;
}
}
到此这篇关于scott 数据 映射 mysql代码分享的文章就介绍到这了,更多相关scott 数据 映射 mysql内容请搜索www.887551.com以前的文章或继续浏览下面的相关文章希望大家以后多多支持www.887551.com！