/** * json-lib 日期处理类 * @author Administrator * */ public class DateJsonValueProcessor implements JsonValueProcessor{ private String format; public DateJsonValueProcessor(String format){ this.format = format; } public Object processArrayValue(Object value, JsonConfig jsonConfig) { // TODO Auto-generated method stub return null; } public Object processObjectValue(String key, Object value, JsonConfig jsonConfig) { if(value == null) { return ""; } if(value instanceof java.sql.Timestamp) { String str = new SimpleDateFormat(format).format((java.sql.Timestamp)value); return str; } if (value instanceof java.util.Date) { String str = new SimpleDateFormat(format).format((java.util.Date) value); return str; } return value.toString(); } } /** * 解决对象级联问题 * @author Administrator * */ public class ObjectJsonValueProcessor implements JsonValueProcessor{ /** * 保留的字段 */ private String[] properties; /** * 处理类型 */ private Class<?> clazz; /** * 构造方法 * @param properties * @param clazz */ public ObjectJsonValueProcessor(String[] properties,Class<?> clazz){ this.properties = properties; this.clazz =clazz; } public Object processArrayValue(Object arg0, JsonConfig arg1) { // TODO Auto-generated method stub return null; } public Object processObjectValue(String key, Object value, JsonConfig jsonConfig) { PropertyDescriptor pd = null; Method method = null; StringBuffer json = new StringBuffer("{"); try{ for(int i=0;i<properties.length;i++){ pd = new PropertyDescriptor(properties[i], clazz); method = pd.getReadMethod(); String v = String.valueOf(method.invoke(value)); json.append("'"+properties[i]+"':'"+v+"'"); json.append(i != properties.length-1?",":""); } json.append("}"); }catch (Exception e) { e.printStackTrace(); } return JSONObject.fromObject(json.toString()); } }
以上所述是小编给大家介绍的使用Ajax或Easyui等框架时的Json-lib的处理方案，希望对大家有所帮助，如果大家有任何疑问欢迎给我留言，小编会及时回复大家的！
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