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问答 页面搭建图片上传 页面跳转问题
发布于 2916天前 作者 willjasons 1632 次浏览 复制 上一个帖子 下一个帖子
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搭建项目到上传图片时:
网页输入http://localhost:8080/nutzbook/正常显示用户列表
但是输入http://localhost:8080/nutzbook/user/profile/ 并没有跳转到详情页,直接跳转到http://localhost:8080/nutzbook/的用户列表,请问这是什么情况呢???

package net.wendal.nutzbook.module;

import java.awt.Color;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.sql.SQLException;
import java.util.Date;

import javax.servlet.http.HttpServletRequest;

import net.wendal.nutzbook.bean.UserProfile;

import org.nutz.dao.DaoException;
import org.nutz.dao.FieldFilter;
import org.nutz.dao.util.Daos;
import org.nutz.img.Images;
import org.nutz.ioc.loader.annotation.IocBean;
import org.nutz.mvc.Mvcs;
import org.nutz.mvc.Scope;
import org.nutz.mvc.adaptor.JsonAdaptor;
import org.nutz.mvc.annotation.AdaptBy;
import org.nutz.mvc.annotation.At;
import org.nutz.mvc.annotation.Attr;
import org.nutz.mvc.annotation.By;
import org.nutz.mvc.annotation.Filters;
import org.nutz.mvc.annotation.GET;
import org.nutz.mvc.annotation.Ok;
import org.nutz.mvc.annotation.POST;
import org.nutz.mvc.annotation.Param;
import org.nutz.mvc.filter.CheckSession;
import org.nutz.mvc.impl.AdaptorErrorContext;
import org.nutz.mvc.upload.TempFile;
import org.nutz.mvc.upload.UploadAdaptor;

@IocBean
@At("/user/profile")
@Filters(@By(type=CheckSession.class, args={"me", "/"})) // 检查当前Session是否带me这个属性
public class UserProfileModule extends BaseModule {

    @At
    public UserProfile get(@Attr(scope=Scope.SESSION, value="me")int userId) {
        UserProfile profile = Daos.ext(dao, FieldFilter.locked(UserProfile.class, "avatar")).fetch(UserProfile.class, userId);
        if (profile == null) {
            profile = new UserProfile();
            profile.setUserId(userId);
            profile.setCreateTime(new Date());
            profile.setUpdateTime(new Date());
            dao.insert(profile);
        }
        return profile;
    }

    @At
    @AdaptBy(type=JsonAdaptor.class)
    @Ok("void")
    public void update(@Param("..")UserProfile profile, @Attr(scope=Scope.SESSION, value="me")int userId) {
        if (profile == null)
            return;
        profile.setUserId(userId);//修正userId,防止恶意修改其他用户的信息
        profile.setUpdateTime(new Date());
        profile.setAvatar(null); // 不准通过这个方法更新
        UserProfile old = get(userId);
        // 检查email相关的更新
        if (old.getEmail() == null) {
            // 老的邮箱为null,所以新的肯定是未check的状态
            profile.setEmailChecked(false);
        } else {
            if (profile.getEmail() == null) {
                profile.setEmail(old.getEmail());
                profile.setEmailChecked(old.isEmailChecked());
            } else if (!profile.getEmail().equals(old.getEmail())) {
                // 设置新邮箱,果断设置为未检查状态
                profile.setEmailChecked(false);
            } else {
                profile.setEmailChecked(old.isEmailChecked());
            }
        }
        Daos.ext(dao, FieldFilter.create(UserProfile.class, null, "avatar", true)).update(profile);
    }
    
    @AdaptBy(type=UploadAdaptor.class, args={"${app.root}/WEB-INF/tmp/user_avatar", "8192", "utf-8", "20000", "102400"})
    @POST
    @Ok(">>:/user/profile")
    @At("/avatar")
    public void uploadAvatar(@Param("file")TempFile tf,
            @Attr(scope=Scope.SESSION, value="me")int userId,
            AdaptorErrorContext err) {
        String msg = null;
        if (err != null && err.getAdaptorErr() != null) {
            msg = "文件大小不符合规定";
        } else if (tf == null) {
            msg = "空文件";
        } else {
            UserProfile profile = get(userId);
            try {
                BufferedImage image = Images.read(tf.getFile());
                image = Images.zoomScale(image, 128, 128, Color.WHITE);
                ByteArrayOutputStream out = new ByteArrayOutputStream();
                Images.writeJpeg(image, out, 0.8f);
                profile.setAvatar(out.toByteArray());
                dao.update(profile, "^avatar$");
            } catch(DaoException e) {
//                log.info("System Error", e);
                msg = "系统错误";
            } catch (Throwable e) {
                msg = "图片格式错误";
            }
        }

        if (msg != null)
            Mvcs.getHttpSession().setAttribute("upload-error-msg", msg);
    }
    
    //读取用户头像的方法
    @Ok("raw:jpg")
    @At("/avatar")
    @GET
    public Object readAvatar(@Attr(scope=Scope.SESSION, value="me")int userId, HttpServletRequest req) throws SQLException {
        UserProfile profile = Daos.ext(dao, FieldFilter.create(UserProfile.class, "^avatar$")).fetch(UserProfile.class, userId);
        if (profile == null || profile.getAvatar() == null) {
            return new File(req.getServletContext().getRealPath("/rs/user_avatar/none.jpg"));
        }
        return profile.getAvatar();
    }

    // 内部跳转到profile.jsp
    @At("/")
    @GET
    @Ok("jsp:jsp.user.profile")
    public UserProfile index(@Attr(scope=Scope.SESSION, value="me")int userId) {
        return get(userId);
    }
}
1 回复

debug一下index方法,看看有无进入

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