数据库课设+Java web--学生成绩管理系统

package form; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; import java.util.Map; public class StudentForm { private String sid; private String sname; private String sex; private String age; private String cid; private String cname; private String score; Map<String, String> message = new HashMap<String, String>(); public boolean validate() { if ("".equals(sid)) { message.put("sid", "学号不能为空！"); } if ("".equals(sname)) { message.put("sname", "姓名不能为空！"); } if ("".equals(sex)) { message.put("sex", "性别不能为空！"); } if("".equals(cid)){ message.put("cid", "课程编号不能为空！"); } if("".equals(cname)){ message.put("cname", "课程名称不能为空！"); } if("".equals(score)){ message.put("score", "分数不能为空！"); }else if (Integer.parseInt(score)>100) { message.put("score", "请输入正确分数！"); }else if (Integer.parseInt(score)<0) { message.put("score", "请输入正确分数！"); } return message.isEmpty();// 当map集合中无数据的时候 返回为true } public String getSid() { return sid; } public void setSid(String sid) { this.sid = sid; } public String getSname() { return sname; } public void setSname(String sname) { this.sname = sname; } public String getSex() { return sex; } public void setSex(String sex) { this.sex = sex; } public String getAge() { return age; } public void setAge(String age) { this.age = age; } public String getCid() { return cid; } public void setCid(String cid) { this.cid = cid; } public String getCname() { return cname; } public void setCname(String cname) { this.cname = cname; } public String getScore() { return score; } public void setScore(String score) { this.score = score; } public Map<String, String> getMessage() { return message; } public void setMessage(Map<String, String> message) { this.message = message; } }