com.jfinal.render.JsonRender Java Examples

@Override
public void intercept(Invocation inv) {
    inv.getController().setAttr("setting", Constant.SETTING);

    String errMsg = null;
    try {
        inv.invoke();
    } catch (Exception e) {
        log.error(e.getMessage(), e);
        errMsg = ExceptionUtils.getMessage(e);
    }

    // 返回异常信息
    if (StringUtils.notEmpty(errMsg)) {
        String requestType = inv.getController().getRequest().getHeader("X-Requested-With");
        if ("XMLHttpRequest".equals(requestType) || StringUtils.notEmpty(inv.getController().getPara("xmlHttpRequest"))) {
            Ret ret = Ret.create().set("state", "error").set("msg", errMsg);
            inv.getController().render(new JsonRender(ret).forIE());
        } else {
            inv.getController().setAttr("errorMsg", errMsg);
            inv.getController().render(Constant.VIEW_PATH + "/common/500.ftl");
        }
    }
}
 

/**
 * 返回datagrid json 数据
 *
 * @param pageData
 */
protected void renderDatagrid(Page<?> pageData) {
    Map<String, Object> datagrid = new HashMap<>();
    datagrid.put("rows", pageData.getList());
    datagrid.put("total", pageData.getTotalRow());
    render(new JsonRender(datagrid).forIE());
}
 

/**
 * 返回datagrid json 数据
 *
 * @param list
 * @param total
 * @param footer
 */
@SuppressWarnings({"SameParameterValue", "WeakerAccess"})
protected void renderDatagrid(List<?> list, int total, List<Map<String, Object>> footer) {
    Map<String, Object> datagrid = new HashMap<>();
    datagrid.put("rows", list);
    datagrid.put("total", total);
    if (footer != null && footer.size() > 0) {
        datagrid.put("footer", footer);
    }
    render(new JsonRender(datagrid).forIE());
}
 

public void renderDatagrid(Collection collection, int total) {
    Map<String, Object> datagrid = new HashMap<>();
    datagrid.put("rows", collection);
    datagrid.put("total", total);
    render(new JsonRender(datagrid).forIE());
}
 

/**
 * 成功操作
 */
protected void renderSuccess() {
    Ret ret = Ret.create().setOk();
    render(new JsonRender(ret).forIE());
}
 

/**
 * 失败操作
 */
protected void renderFail() {
    Ret ret = Ret.create().setFail();
    render(new JsonRender(ret).forIE());
}
 

/**
 * 成功操作
 *
 * @param msg
 */
protected void renderSuccess(String msg) {
    Ret ret = Ret.create().setOk().setIfNotNull("msg", msg);
    render(new JsonRender(ret).forIE());
}
 

/**
 * 成功操作
 *
 * @param data
 */
protected void renderSuccess(List<Object> data) {
    Ret ret = Ret.create().setOk().setIfNotNull("data", data);
    render(new JsonRender(ret).forIE());
}
 

/**
 * 成功操作
 *
 * @param msg
 * @param data
 */
protected void renderSuccess(String msg, List<Object> data) {
    Ret ret = Ret.create().setOk().setIfNotNull("msg", msg).setIfNotNull("data", data);
    render(new JsonRender(ret).forIE());
}
 

/**
 * 失败操作
 *
 * @param msg
 */
protected void renderFail(String msg) {
    Ret ret = Ret.create().setFail().setIfNotNull("msg", msg);
    render(new JsonRender(ret).forIE());
}
 

/**
 * 失败操作
 *
 * @param data
 */
protected void renderFail(List<Object> data) {
    Ret ret = Ret.create().setFail().setIfNotNull("data", data);
    render(new JsonRender(ret).forIE());
}
 

/**
 * 失败操作
 *
 * @param msg
 * @param data
 */
protected void renderFail(String msg, List<Object> data) {
    Ret ret = Ret.create().setFail().setIfNotNull("msg", msg).setIfNotNull("data", data);
    render(new JsonRender(ret).forIE());
}