软件包 javax.servlet不存在
来源:百度知道 编辑:UC知道 时间:2024/05/29 08:47:03
编译的程序如下:
package servlet;
import beans.SqlCheck;
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Check extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException,IOException {
PrintWriter out = response.getWriter();
String name = request.getParameter("name");
String pass = request.getParameter("pass");
SqlCheck sc = new SqlCheck();
sc.setName(name);
sc.setPass(pass);
try {
if(sc.check()) {
out.print("aa");
}
else {
out.print("a");
package servlet;
import beans.SqlCheck;
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Check extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException,IOException {
PrintWriter out = response.getWriter();
String name = request.getParameter("name");
String pass = request.getParameter("pass");
SqlCheck sc = new SqlCheck();
sc.setName(name);
sc.setPass(pass);
try {
if(sc.check()) {
out.print("aa");
}
else {
out.print("a");
三种解决方法:
1、把这两个包复制到你的工程文件下,然后再import
javax.servlet
javax.servlet.http
2、把这两个包的所在路径添加到你的classpath环境变量下,记得中间用;隔开
然后import
3、如果用的是集成开发环境,比如lombozeclipse,就要把这两个包导入到其开发环境中。
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