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This commit is contained in:
Yaoyuan Chu
2020-10-14 09:59:42 +08:00
parent f895e58ca3
commit 6b210915bf
104 changed files with 0 additions and 71125 deletions
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src/main/java/com/yaoyuan/jiscuss/common/Node.java
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package com.yaoyuan.jiscuss.common;
import com.yaoyuan.jiscuss.entity.custom.PostCustom;
import lombok.Data;
import org.springframework.beans.BeanUtils;
import javax.persistence.Column;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
/**
* @author yaoyuan2.chu
* @Title:
* @Package com.yaoyuan.jiscuss.common
* @Description:
* @date 2020/8/17 14:51
*/
@Data
public class Node {
public Node() {
}
private Integer id;
private Integer discussionId;
private Integer number;
private Date time;
private Integer userId;
private String type;
private String content;
private Integer parentId;
private Date editTime;
private Integer editUserId;
private String ipAddress;
private String copyright;
private Integer isApproved;
private Integer createId;
private Date createTime;
//用户表相关
private String avatar;
private String username;
private String realname;
private String avatarReply;
private String usernameReply;
private String realnameReply;
//下一条回复
private List<Node> nextNodes = new ArrayList<Node>();
/**
* 将单个node添加到链表中
*
* @param list
* @param node
* @return
*/
public static boolean addNode(List<Node> list, Node node) {
for (Node node1 : list) { //循环添加
if (node1.getId().equals(node.getParentId())) { //判断留言的上一段是都是这条留言
node1.getNextNodes().add(node); //是，添加，返回true;
System.out.println("添加了一个");
return true;
} else { //否则递归继续判断
if (node1.getNextNodes().size() != 0) {
if (Node.addNode(node1.getNextNodes(), node)) {
return true;
}
}
}
}
return false;
}
/**
* 将查出来的lastId不为null的回复都添加到第一层Node集合中
*
* @param firstList
* @param thenList
* @return
*/
public static List addAllNode(List<Node> firstList, List<PostCustom> thenList) {
while (thenList.size() != 0) {
int size = thenList.size();
for (int i = 0; i < size; i++) {
Node node = new Node();
BeanUtils.copyProperties(thenList.get(i), node);
if (Node.addNode(firstList, node)) {
thenList.remove(i);
i--;
size--;
}
}
}
return firstList;
}
//打印
public static void show(List<Node> list) {
for (Node node : list) {
System.out.println(node.getUserId() + " 用户回复了你：" + node.getContent());
if (node.getNextNodes().size() != 0) {
Node.show(node.getNextNodes());
}
}
}
}
src/main/java/com/yaoyuan/jiscuss/common/PostCommonUtil.java
-140
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package com.yaoyuan.jiscuss.common;
import com.yaoyuan.jiscuss.entity.custom.PostCustom;
import org.springframework.beans.BeanUtils;
import java.io.BufferedReader;
import java.io.Reader;
import java.sql.Clob;
import java.util.*;
/**
* @author yaoyuan2.chu
* @Title:
* @Package com.yaoyuan.jiscuss.common
* @Description:
* @date 2020/9/10 15:47
*/
public class PostCommonUtil {
public static List<PostCustom> getNewPostsObjMap(List<Map<String, Object>> posts) {
List<PostCustom> postCustomList = new ArrayList<>();
for (Map<String, Object> mapObj : posts) {
PostCustom postCustom = new PostCustom();
postCustom.setId(Integer.parseInt(String.valueOf(mapObj.get("id"))));
postCustom.setParentId(mapObj.get("parent_id") != null ? Integer.parseInt(String.valueOf(mapObj.get("parent_id"))) : null);
if (null != mapObj.get("create_time")) {
postCustom.setCreateTime((Date) mapObj.get("create_time"));
}
String content = "";
if (mapObj.get("content") != null) {
if (mapObj.get("content") instanceof Clob) {
Clob clob = (Clob) mapObj.get("content");
content = PostCommonUtil.clobToString(clob);
} else if (mapObj.get("content") instanceof String) {
content = String.valueOf(mapObj.get("content"));
}
}
postCustom.setContent(content);
String avatar = "";
if (mapObj.get("create_avatar") != null) {
if (mapObj.get("create_avatar") instanceof Clob) {
Clob clob = (Clob) mapObj.get("create_avatar");
avatar = PostCommonUtil.clobToString(clob);
} else if (mapObj.get("create_avatar") instanceof String) {
avatar = String.valueOf(mapObj.get("create_avatar"));
}
}
postCustom.setAvatar(avatar);
postCustom.setUsername(mapObj.get("create_username") != null ? String.valueOf(mapObj.get("create_username")) : null);
postCustom.setRealname(mapObj.get("create_realname") != null ? String.valueOf(mapObj.get("create_realname")) : null);
String avatarReply = "";
if (mapObj.get("user_avatar") != null) {
if (mapObj.get("user_avatar") instanceof Clob) {
Clob clob = (Clob) mapObj.get("user_avatar");
avatarReply = PostCommonUtil.clobToString(clob);
} else if (mapObj.get("user_avatar") instanceof String) {
avatarReply = String.valueOf(mapObj.get("user_avatar"));
}
}
postCustom.setAvatarReply(avatarReply);
postCustom.setUsernameReply(mapObj.get("user_username") != null ? String.valueOf(mapObj.get("user_username")) : null);
postCustom.setRealnameReply(mapObj.get("user_realname") != null ? String.valueOf(mapObj.get("user_realname")) : null);
postCustomList.add(postCustom);
}
return postCustomList;
}
public static List<PostCustom> getNewPostsObjCustom(List<PostCustom> postCustomList) {
List<PostCustom> mainList = new ArrayList<>();
Map<String, Object> postMap = new LinkedHashMap<>();
for (PostCustom mapObj : postCustomList) {
if (null == mapObj.getParentId()) {
mainList.add(mapObj);
} else {
List<PostCustom> tempList = new ArrayList<>();
if (postMap.containsKey(String.valueOf(mapObj.getParentId()))) {
tempList = (List<PostCustom>) postMap.get(String.valueOf(mapObj.getParentId()));
tempList.add(mapObj);
postMap.put(String.valueOf(mapObj.getParentId()), tempList);
} else {
tempList.add(mapObj);
postMap.put(String.valueOf(mapObj.getParentId()), tempList);
}
}
}
List<PostCustom> mainListResult = new ArrayList<>();
for (PostCustom mapObj : mainList) {
if (postMap.containsKey(String.valueOf(mapObj.getId()))) {
PostCustom newObj = new PostCustom();
BeanUtils.copyProperties(mapObj, newObj);
newObj.setChild((List<PostCustom>) postMap.get(String.valueOf(mapObj.getId())));
mainListResult.add(newObj);
} else {
mainListResult.add(mapObj);
}
}
return mainListResult;
}
// Clob类型转换成String类型
public static String clobToString(final Clob clob) {
if (clob == null) {
return null;
}
Reader is = null;
try {
is = clob.getCharacterStream();
} catch (Exception e) {
e.printStackTrace();
}
BufferedReader br = new BufferedReader(is);
String str = null;
try {
str = br.readLine(); // 读取第一行
} catch (Exception e) {
e.printStackTrace();
}
StringBuffer sb = new StringBuffer();
while (str != null) { // 如果没有到达流的末尾，则继续读取下一行
sb.append(str);
try {
str = br.readLine();
} catch (Exception e) {
e.printStackTrace();
}
}
String returnString = sb.toString();
return returnString;
}
}