vue版本上线
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141
jshERP-boot/src/main/java/com/jsh/erp/utils/ExtJsonUtils.java
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141
jshERP-boot/src/main/java/com/jsh/erp/utils/ExtJsonUtils.java
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package com.jsh.erp.utils;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONObject;
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import com.alibaba.fastjson.parser.ParserConfig;
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import com.alibaba.fastjson.parser.deserializer.ExtraProcessor;
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import com.alibaba.fastjson.parser.deserializer.FieldDeserializer;
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import com.alibaba.fastjson.serializer.*;
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import java.io.IOException;
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import java.lang.reflect.Type;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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/**
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* @author jishenghua qq752718920 2018-10-7 15:26:27
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*/
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public class ExtJsonUtils {
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private static class NPFloatCodec extends FloatCodec {
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public void write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType) throws IOException {
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SerializeWriter out = serializer.getWriter();
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if (object == null) {
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if (serializer.isEnabled(SerializerFeature.WriteNullNumberAsZero)) {
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out.write('0');
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} else {
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out.writeNull();
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}
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return;
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}
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float floatValue = (Float) object;
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if (Float.isNaN(floatValue)) {
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out.writeNull();
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} else if (Float.isInfinite(floatValue)) {
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out.writeNull();
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} else {
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String floatText = Float.toString(floatValue);
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out.write(floatText);
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if (serializer.isEnabled(SerializerFeature.WriteClassName)) {
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out.write('F');
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}
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}
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}
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}
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private static class NPDoubleSerializer extends DoubleSerializer {
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public void write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType) throws IOException {
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SerializeWriter out = serializer.getWriter();
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if (object == null) {
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if (!serializer.isEnabled(SerializerFeature.WriteNullNumberAsZero)) {
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out.writeNull();
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} else {
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out.write('0');
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}
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return;
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}
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double doubleValue = (Double) object;
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if (Double.isNaN(doubleValue)) {
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out.writeNull();
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} else if (Double.isInfinite(doubleValue)) {
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out.writeNull();
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} else {
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String doubleText;
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doubleText = Double.toString(doubleValue);
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out.append(doubleText);
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if (serializer.isEnabled(SerializerFeature.WriteClassName)) {
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out.write('D');
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}
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}
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}
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}
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private static final String EXT_NAME = "ext";
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static class ExtFilter extends AfterFilter implements PropertyFilter {
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static {
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SerializeConfig.getGlobalInstance().put(Float.class, new NPFloatCodec());
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SerializeConfig.getGlobalInstance().put(float.class, new NPFloatCodec());
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SerializeConfig.getGlobalInstance().put(Double.class, new NPDoubleSerializer());
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SerializeConfig.getGlobalInstance().put(double.class, new NPDoubleSerializer());
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}
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private Map<Object, JSONObject> map = new HashMap<>();
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private Map<Object, Set<String>> ignoredKey = new HashMap<>();
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@Override
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public boolean apply(Object object, String name, Object value) {
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if (name.equals(EXT_NAME) && value instanceof String) {
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map.put(object, JSON.parseObject((String) value));
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return false;
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}
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if (!map.containsKey(object)) {
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ignoredKey.put(object, new HashSet<String>());
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}
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ignoredKey.get(object).add(name);
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// if (value instanceof Float || value instanceof Double) {
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// if (!floatMap.containsKey(object)) {
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// floatMap.put(object, new HashMap<String, Object>());
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// }
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// floatMap.get(object).put(name, value);
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// return false;
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// }
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return true;
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}
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@Override
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public void writeAfter(Object object) {
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if (map.containsKey(object)) {
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Set<String> ignoredKeys;
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if (ignoredKey.containsKey(object)) {
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ignoredKeys = ignoredKey.get(object);
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} else {
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ignoredKeys = new HashSet<>();
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}
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for (Map.Entry<String, Object> entry : map.get(object).entrySet()) {
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if (!ignoredKeys.contains(entry.getKey())) {
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writeKeyValue(entry.getKey(), entry.getValue());
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}
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}
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}
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}
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}
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public static String toJSONString(Object object) {
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return JSON.toJSONString(object, new ExtFilter());
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}
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public interface ExtExtractor {
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String getExt(Object bean);
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}
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}
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