java學(xué)生選課系統(tǒng)-文庫吧資料
2025-07-30 00:32本頁面
【正文】 String sql = select * from registerXu + where userName=? and passWord=? and identify=?。老師39。corejava39。zlm39。z00139。)。,39。,39。,39。insert into registerXu values(39。學(xué)生39。1234539。jack39。j00139。)。,39。,39。,39。insert into registerXu values(39。學(xué)生39。12339。xuliang39。s00139。create table registerXu (id varchar(20),userName varchar(20),passWord varchar(20),identify varchar(20))。new StudentChooseCourse(usrName, passwrd)。}public static void main(String[] args) {//String usrName = xuliang。(true)。(jp2)。(jbSelectedCourse)。(jlSelectedCourse)。JButton jbSelectedCourse = new JButton(提交)。(jspSearch)。(jp12)。(jp10)。(90, 20)。JButton jbOK = new JButton(查詢)。(jtfSearch)。(new String(學(xué)分))。(new String(課程ID))。(jlSearch)。JPanel jp13 = new JPanel()。JPanel jp11 = new JPanel()。JPanel jp3 = new JPanel()。(new GridLayout(4, 1))。}}public void createSearchCourse() {(new GridLayout(3, 1))。try {()。return。flag = true。(result, k 1, i 1)。 i++) {result = (i)。while (()) {for (int i = 1。int k = 1。int cols = ()。()。}(sql)。ps = (sql)。(1, (userInput))。} else if (學(xué)分.equals(selectedItem)) {sql = select o,ame,hour,grade,term,isNeed from CourseXX where grade = ?。ps = (sql)。(1, userInput)。} else if (課程ID.equals(selectedItem)) {sql = select o,ame,hour,grade,term,isNeed from CourseXX where o = ?。ps = (sql)。String sql = null。(User search: + userInput)。}String userInput = ().toString().trim().toLowerCase()。con = ()。} catch (Exception ey) {()。} } catch (Exception es) {()。()。ps = (sql)。)。()。(1, ())。}if (RemainedCount 0) {sql = insert into choicesxx values(?,?)。while (()) {RemainedCount = (1)。int cols = ()。rs = ()。try {ps = (sql)。PreparedStatement ps。}return true。請另選課程)。} catch (Exception eaa) {()。rs = ()。(1, ())。boolean flag = false。return false。if ((grade) 6) {(null, 你已經(jīng)選滿6學(xué)分，系統(tǒng)將退出)。}}} catch (Exception rrr) {()。while (()) {grade = (1)。(1, usrName)。String grade =null。}PreparedStatement ps = null。}if (!flagCourseExist) {(null, 該課程不存在，請重新輸入)。flagCourseExist = ()。(1, userInput)。boolean flagCourseExist = false。}String userInput = ().toString().trim().toLowerCase()。 i++) {(null, k 1, i 1)。while (k 10) {for (int i = 1。 if(effect==true
公司管理相關(guān)推薦
鄂ICP備17016276號-1