EXTJS的JSON數據轉換,也就是使用到了json-lib包,當時間格式傳遞到前臺的時候出現類似結構:
列舉其中一類這種結構,若改造成:yyyy-MM-dd HH:mm:SS這種結構可使用如下方法:{"date":21,"day":1,"hours":23,"minutes":39,"month":11,"nanos":0,"seconds":46,"time":1261409986000,"timezoneOffset"
:-480,"year":109}
我們在這裏創建一個新類來做準備:
public class DateJson implements JsonValueProcessor {
public static final String DEFAULT_DATE_PATTERN = "yyyy-MM-dd HH:mm:ss";
private DateFormat dateFormat;
public DateJson() {
this(DEFAULT_DATE_PATTERN);
}
public DateJson(String datePattern) {
try {
dateFormat = new SimpleDateFormat(datePattern);
} catch (Exception ex) {
dateFormat = new SimpleDateFormat(DEFAULT_DATE_PATTERN);
}
}
public Object processArrayValue(Object value, JsonConfig jsonConfig) {
return process(value);
}
public Object processObjectValue(String key, Object value,JsonConfig jsonConfig) {
return process(value);
}
private Object process(Object value) {
if(value instanceof Timestamp)
return dateFormat.format((Timestamp) value);
else if(value instanceof Date)
return dateFormat.format((Date) value);
else if(value==null)
return "";
else
return value.toString();
}
}
這樣使用:
JsonConfig cfg = new JsonConfig();
cfg.registerJsonValueProcessor(java.util.Date.class,new DateJson());
JSONArray array = JSONArray.fromObject(records,cfg);
即可產生需要的結果: