替换带代码里所有 fastjson 的内容,统一使用 jackson
不考虑使用 gson 的原因,是基本停止了维护
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package cn.iocoder.dashboard.framework.mybatis.core.type;
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import cn.iocoder.dashboard.modules.system.dal.mysql.dataobject.user.SysUserDO;
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import com.baomidou.mybatisplus.extension.handlers.AbstractJsonTypeHandler;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.core.type.TypeReference;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import java.io.IOException;
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import java.util.Set;
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/**
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* 参考 {@link com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler} 实现
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* 在我们将字符串反序列化为 Set 并且泛型为 Long 时,如果每个元素的数值太小,会被处理成 Integer 类型,导致可能存在隐性的 BUG。
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*
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* 例如说哦,{@link SysUserDO#getPostIds()} 属性
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*
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* @author 芋道源码
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*/
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public class JacksonLongSetTypeHandler extends AbstractJsonTypeHandler<Object> {
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// TODO 芋艿,需要将 Spring 的设置下进来
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private static final ObjectMapper objectMapper = new ObjectMapper();
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private static final TypeReference<Set<Long>> typeReference = new TypeReference<Set<Long>>(){};
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@Override
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protected Object parse(String json) {
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try {
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return objectMapper.readValue(json, typeReference);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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protected String toJson(Object obj) {
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try {
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return objectMapper.writeValueAsString(obj);
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} catch (JsonProcessingException e) {
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throw new RuntimeException(e);
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}
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}
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}
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