/**
* 除去不想生成的字段（特别适合去掉级联的对象）+时间转换
*
* @param excludes 除去不想生成的字�?
* @param datePattern
* @return
*/
public static JsonConfig configJson(String[] excludes, String datePattern) {
JsonConfig jsonConfig = new JsonConfig();
jsonConfig.setExcludes(excludes);
jsonConfig.setIgnoreDefaultExcludes(true);
jsonConfig.setCycleDetectionStrategy(CycleDetectionStrategy.LENIENT);
jsonConfig.registerJsonValueProcessor(Date.class, new JsonDateValueProcessor(datePattern));
return jsonConfig;
}
/**
* 将对象等转换为json格式并输出 @Title outJson
*
* @author hedj @Description:
* @date 2013-12-6
* @param obj 要转换的对象
* @param objs 可变参数 第一个参数日期格式，默认为"yyyy-MM-dd"
* @return
*/
public static String toJsonString(Object obj, Object... objs) {
try {
String dateFormat = DateUtil.DATE_FORMAT;
if (objs != null && objs.length > 0) {
dateFormat = (String) objs[0];
}
JsonConfig config = new JsonConfig();
config.registerJsonValueProcessor(Date.class, new JsonDateValueProcessor(dateFormat));
config.setCycleDetectionStrategy(CycleDetectionStrategy.LENIENT);
return JSONObject.fromObject(obj, config).toString();
} catch (Exception e) {
log.error(" 转换JSON错误：", e);
return "";
}
}
/**
* 将对象等转换为json格式并输出 @Title outJson
*
* @author hedj @Description:
* @date 2013-12-6
* @param obj 要转换的对象
* @param objs 可变参数 第一个参数日期格式，默认为"yyyy-MM-dd"
* @return
*/
public static String outJson(Object obj, Object... objs) {
try {
String dateFormat = DateUtil.DATE_FORMAT;
if (objs != null && objs.length > 0) {
dateFormat = (String) objs[0];
}
JsonConfig config = new JsonConfig();
config.registerJsonValueProcessor(Date.class, new JsonDateValueProcessor(dateFormat));
config.setCycleDetectionStrategy(CycleDetectionStrategy.LENIENT);
String json = JSONObject.fromObject(obj, config).toString();
getResponse().setContentType("text/html;charset=UTF-8");
PrintWriter out = getResponse().getWriter();
out.write(json);
return json;
} catch (Exception e) {
log.error(" 转换JSON错误：", e);
return "";
}
}
private static void setConfig(JsonConfig jsonConfig, String[] excludes) {
jsonConfig.setExcludes(excludes);
jsonConfig.setIgnoreDefaultExcludes(false);
jsonConfig.setCycleDetectionStrategy(CycleDetectionStrategy.LENIENT);
}