学步园

http://bbs.bc-cn.net/viewFile.asp?BoardID=12&ID=8765</p> <p>NetBeans5.5编写<br /> Struts1.2.8 + Hibernate3.1 + MYSQL5.0</p> <p>数据库结构为：<br /> DROP DATABASE IF EXISTS ENOVA;<br /> CREATE DATABASE ENOVA;<br /> USE ENOVA;</p> <p>CREATE TABLE STUDENT (<br /> ID int(11) NOT NULL auto_increment,<br /> NUMBER char(15) NOT NULL UNIQUE,<br /> NAME varchar(4) NOT NULL ,<br /> SEX varchar(1) default NULL,<br /> NATION varchar(10) default NULL,<br /> ENROLL_YEAR YEAR(4) NOT NULL ,<br /> BIRTHDAY date default NULL,<br /> BIRTH_PLACE varchar(50) default NULL,<br /> PASSWORD char(15) NOT NULL ,<br /> CLASS_ID int(11) NOT NULL ,<br /> PRIMARY KEY (ID))ENGINE=InnoDB DEFAULT CHARSET=utf8;</p> <p>CREATE TABLE TEACHER(<br /> ID int(11) NOT NULL auto_increment,<br /> NAME varchar(4) default NULL ,<br /> SEX varchar(1) default NULL,<br /> USERNAME char(15) NOT NULL UNIQUE ,<br /> PASSWORD char(15) NOT NULL ,<br /> PRIMARY KEY (ID))ENGINE=InnoDB DEFAULT CHARSET=utf8;</p> <p>CREATE TABLE DEPARTMENT(<br /> ID int(11) NOT NULL auto_increment,<br /> NAME varchar(20) NOT NULL,<br /> PRIMARY KEY (ID))ENGINE=InnoDB DEFAULT CHARSET=utf8;</p> <p>CREATE TABLE SPECIAL(<br /> ID int(11) NOT NULL auto_increment,<br /> NAME varchar(20) NOT NULL,<br /> DEPARTMENT_ID int(11) NOT NULL ,<br /> PRIMARY KEY (ID))ENGINE=InnoDB DEFAULT CHARSET=utf8;</p> <p>CREATE TABLE CLASS(<br /> ID int(11) NOT NULL auto_increment,<br /> NAME varchar(20) NOT NULL,<br /> TEACHER_ID int(11) NOT NULL ,<br /> SPECIAL_ID int(11) NOT NULL ,<br /> YEAR year(4) NOT NULL ,<br /> PRIMARY KEY (ID))ENGINE=InnoDB DEFAULT CHARSET=utf8;</p> <p>CREATE TABLE COURSE(<br /> ID int(11) NOT NULL auto_increment,<br /> NAME varchar(20) NOT NULL,<br /> TEACHER_ID int(11) NOT NULL ,<br /> HOUR int(4) default NULL,<br /> CREDIT float(2,1) NOT NULL ,<br /> YEAR year(4) default NULL,<br /> TERM varchar(1) default NULL,<br /> EXAM_MODE varchar(2) default NULL,<br /> EXAM_TYPE varchar(2) default NULL,<br /> TYPE varchar(2) default NULL,<br /> PRIMARY KEY (ID))ENGINE=InnoDB DEFAULT CHARSET=utf8;</p> <p>CREATE TABLE SCORE(<br /> COURSE_ID int(11) NOT NULL ,<br /> STUDENT_ID int(11) NOT NULL ,<br /> VALUE int(4) default NULL ,<br /> DATE date NOT NULL ,<br /> PRIMARY KEY (STUDENT_ID,COURSE_ID))ENGINE=InnoDB DEFAULT CHARSET=utf8;</p> <p>CREATE TABLE ROOT(<br /> ID int(11) NOT NULL auto_increment,<br /> USERNAME char(15) NOT NULL UNIQUE ,<br /> PASSWORD char(15) NOT NULL ,<br /> PRIMARY KEY (ID))ENGINE=InnoDB DEFAULT CHARSET=utf8;</p> <p>CREATE TABLE CLASS_COURSE(<br /> CLASS_ID int(11) NOT NULL ,<br /> COURSE_ID int(11) NOT NULL ,<br /> PRIMARY KEY (CLASS_ID,COURSE_ID))ENGINE=InnoDB DEFAULT CHARSET=utf8;</p> <p>alter table STUDENT add constraint FK_STUDENT_CLASS<br /> foreign key(CLASS_ID) references CLASS(ID) on delete cascade;</p> <p>alter table SPECIAL add constraint FK_SPECIAL_DEPARTMENT<br /> foreign key(DEPARTMENT_ID) references DEPARTMENT(ID) on delete cascade;</p> <p>alter table CLASS add constraint FK_CLASS_TEACHER<br /> foreign key(TEACHER_ID) references TEACHER(ID) on delete cascade;</p> <p>alter table CLASS add constraint FK_CLASS_SPECIAL<br /> foreign key(SPECIAL_ID) references SPECIAL(ID) on delete cascade;</p> <p>alter table SCORE add constraint FK_SCORE_COURSE<br /> foreign key(COURSE_ID) references COURSE(ID) on delete cascade;</p> <p>alter table SCORE add constraint FK_SCORE_SUTDENT<br /> foreign key(STUDENT_ID) references STUDENT(ID) on delete cascade;</p> <p>alter table CLASS_COURSE add constraint FK_CC_CLASS<br /> foreign key(CLASS_ID) references CLASS(ID) on delete cascade;</p> <p>alter table CLASS_COURSE add constraint FK_CC_COURSE<br /> foreign key(COURSE_ID) references COURSE(ID) on delete cascade;</p> <p>alter table COURSE add constraint FK_COURSE_TEACHER<br /> foreign key(TEACHER_ID) references TEACHER(ID) on delete cascade;</p> <p>insert into ROOT(USERNAME,PASSWORD) values('vlinux','lovefs');</p> <p>create trigger CLASS_COURSE_DELETE BEFORE DELETE ON CLASS_COURSE<br /> FOR EACH ROW DELETE FROM SCORE WHERE COURSE_ID=old.COURSE_ID<br /> and STUDENT_ID in (SELECT ID FROM STUDENT WHERE CLASS_ID=old.CLASS_ID);</p> <p>grant all on ENOVA.* to enova@localhost identified by "enova" with grant option;</p> <p>