初级程序员
import java.sql.*; public class teacher { String id; String name; String password; String title; public void setPassword(String s){password = s;} public String getPassword(){return password;} public void setName(String s){name=s;} public String getName(){return name;} public void setTitle(String s){title=s;} public String getTitle(){return title;} public void setId(String id){this.id=id;} public String getId(){return id;} public ResultSet getCourse( ){ String sql="select course.name "+ "from classes,course "+ "where classes.tea_id='"+id+"' "+ "and course.id=classes.cour_id"; sqlBean sqlbean = new sqlBean(); ResultSet rs = sqlbean.executeQuery(sql); return rs; } public boolean hasLogin(String id){ //检查该教师是否已经注册 boolean f=true; String sql="select id from teacher where id ='"+id+"'"; sqlBean db =new sqlBean(); try{ ResultSet rs=db.executeQuery(sql); if(rs.next()){ f=false;} else{ f=true;} }catch(Exception e){ e.getMessage();} return f;} public void addTeacher(){ String sql="insert into teacher(id,name,title,password) "+ "values('"+id+"','"+name+"','"+title+"','"+password+"') "; sqlBean db =new sqlBean(); db.executeInsert(sql); } public ResultSet getAll(){ String sql="select * from teacher"; sqlBean db =new sqlBean(); ResultSet rs = db.executeQuery(sql); return rs; } public void update() { String sql= "update teacher "+ " set name='"+name+"',title='"+title+"' ,password='"+password+"' "+ "where id='"+id+"' "; sqlBean db =new sqlBean(); db.executeInsert(sql); } public int delete(String id){ int num=0; String sql="delete from teacher where id ='"+id+"' "; sqlBean db= new sqlBean(); num=db.executeDelete(sql); return num; } }
D:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_appweb_appweb\jsp_servlet\__getteacher.java:181: 'catch' without 'try' } catch (Throwable __ee) { ^ D:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_appweb_appweb\jsp_servlet\__getteacher.java:192: '}' expected ^ D:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_appweb_appweb\jsp_servlet\__getteacher.java:136: 'try' without 'catch' or 'finally' try { // error page try block ^ 3 errors
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