11 changed files with 313 additions and 30 deletions
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package cc.niushuai.dididone.biz.entity; |
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import java.util.ArrayList; |
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import java.util.List; |
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import cn.hutool.core.bean.BeanUtil; |
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import cn.hutool.core.collection.CollUtil; |
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public class ProjectRecord extends Project { |
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private List<Record> recordList; |
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public ProjectRecord(Project project, List<Record> recordList) { |
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if (null == project) { |
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throw new IllegalArgumentException("project should not be null"); |
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} |
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BeanUtil.copyProperties(project, this); |
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if (CollUtil.isEmpty(recordList)) { |
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this.recordList = new ArrayList<>(0); |
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} else { |
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this.recordList = recordList; |
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} |
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} |
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public List<Record> getRecordList() { |
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return recordList; |
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} |
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public void setRecordList(List<Record> recordList) { |
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this.recordList = recordList; |
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} |
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} |
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package cc.niushuai.dididone.util; |
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import com.google.gson.Gson; |
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import com.google.gson.GsonBuilder; |
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import com.google.gson.reflect.TypeToken; |
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import java.lang.reflect.Type; |
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import java.util.List; |
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import java.util.Map; |
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public class GsonUtil { |
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//线程安全的
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private static final Gson GSON; |
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private static final Gson GSON_NULL; // 不过滤空值
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static { |
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GSON = new GsonBuilder().enableComplexMapKeySerialization() //当Map的key为复杂对象时,需要开启该方法
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// .serializeNulls() //当字段值为空或null时，依然对该字段进行转换
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// .excludeFieldsWithoutExposeAnnotation()//打开Export注解，但打开了这个注解,副作用，要转换和不转换都要加注解
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.setDateFormat("yyyy-MM-dd HH:mm:ss")//序列化日期格式 "yyyy-MM-dd"
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.setPrettyPrinting() //自动格式化换行
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.disableHtmlEscaping() //防止特殊字符出现乱码
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.create(); |
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GSON_NULL = new GsonBuilder().enableComplexMapKeySerialization() //当Map的key为复杂对象时,需要开启该方法
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.serializeNulls() //当字段值为空或null时，依然对该字段进行转换
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// .excludeFieldsWithoutExposeAnnotation()//打开Export注解，但打开了这个注解,副作用，要转换和不转换都要加注解
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.setDateFormat("yyyy-MM-dd HH:mm:ss")//序列化日期格式 "yyyy-MM-dd"
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.setPrettyPrinting() //自动格式化换行
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.disableHtmlEscaping() //防止特殊字符出现乱码
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.create(); |
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} |
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//获取gson解析器
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public static Gson getGson() { |
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return GSON; |
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} |
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//获取gson解析器 有空值 解析
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public static Gson getWriteNullGson() { |
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return GSON_NULL; |
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} |
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/** |
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* 根据对象返回json 过滤空值字段 |
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*/ |
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public static String toJsonStringIgnoreNull(Object object) { |
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return GSON.toJson(object); |
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} |
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/** |
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* 根据对象返回json 不过滤空值字段 |
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*/ |
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public static String toJsonString(Object object) { |
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return GSON_NULL.toJson(object); |
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} |
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/** |
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* 将字符串转化对象 |
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* |
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* @param json 源字符串 |
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* @param classOfT 目标对象类型 |
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* @param <T> |
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* @return |
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*/ |
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public static <T> T strToJavaBean(String json, Class<T> classOfT) { |
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return GSON.fromJson(json, classOfT); |
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} |
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/** |
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* 将json转化为对应的实体对象 |
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* new TypeToken<List<T>>() {}.getType() |
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* new TypeToken<Map<String, T>>() {}.getType() |
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* new TypeToken<List<Map<String, T>>>() {}.getType() |
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*/ |
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public static <T> T fromJson(String json, Type typeOfT) { |
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return GSON.fromJson(json, typeOfT); |
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} |
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/** |
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* 转成list |
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* |
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* @param gsonString |
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* @param cls |
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* @return |
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*/ |
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public static <T> List<T> strToList(String gsonString, Class<T> cls) { |
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return GSON.fromJson(gsonString, new TypeToken<List<T>>() { |
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}.getType()); |
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} |
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/** |
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* 转成list中有map的 |
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* |
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* @param gsonString |
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* @return |
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*/ |
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public static <T> List<Map<String, T>> strToListMaps(String gsonString) { |
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return GSON.fromJson(gsonString, new TypeToken<List<Map<String, String>>>() { |
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}.getType()); |
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} |
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/** |
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* 转成map |
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* |
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* @param gsonString |
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* @return |
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*/ |
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public static <T> Map<String, T> strToMaps(String gsonString) { |
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return GSON.fromJson(gsonString, new TypeToken<Map<String, T>>() { |
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}.getType()); |
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} |
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} |
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