/**
 * Created by ldz..attack on 2016/11/23 0023.
 * <p>
 * 配合mybatis的預編譯想用它做一個通用操作類
 * <p>
 * 目前來看只有:刪除/許可權修改兩種操作用此方法比較簡便
 * <p>
 * 如果是查詢,大量的不同欄位不易解決
 */
@Controller
@RequestMapping(value = "/general")
public class ControllerGeneral extends BaseController {
    public static final String shop = "ty_shop"
 
;
    public static final String usr = "ty_member";

    @Resource(name = "ServiceGeneral")
    private ServiceGeneral serviceGeneral;

    /**
     * 通用操作
     * <p>
     * 前端有屬性type:
     * <p>
     * type:1.刪除,2.禁用和啟用
     */
    @RequestMapping(value = "/operate")
    public void operate
 
(HttpServletResponse response, HttpServletRequest request) throws Exception {
        JSONObject jo = new JSONObject();
        PageData pd = this.getPageData();
        int i = 0;
        try {
            String ids = pd.get("ids") == null ? "" : pd.getString("ids");
            int type = pd.get("type"
 
) == null ? 0 : Transform.string_int(pd.getString("type"));
            List<String> list_id = ArrayTool.str2list(ids, ",");
            for (String str_id : list_id) {
                switch (type) {
                    case 1://刪除
                        pd = this.setVal(pd, type, str_id);
                        serviceGeneral.del(pd);
                        break;
                    case 2://禁用啟用
                        pd = this.setVal4Ban(pd, type, str_id, true);
                        int j = serviceGeneral.ban(pd);
                        if (j == 0) {
                            pd = this.setVal4Ban(pd, type, str_id, false);
                            serviceGeneral.allow(pd);
                        }
                        break;
                }
                i++;
            }
            jo.put("code", "success");
            jo.put("msg", "成功操作" + i + "條記錄");
        } catch (Exception e) {
            jo.put("code", "error");
            String msg = i == 0 ? "操作失敗" : "操作未全部完成,修改" + i + "條記錄";
            jo.put("msg", msg);
            logger.error(e.toString(), e);
        }
        System.out.println(jo);
        JsonRender8QC.renderObj(response, jo);
    }

    //根據傳來的引數,來設定表名
    PageData setVal(PageData pd, int type, String id) {
        String filter = pd.get("filter") == null ? "" : pd.getString("filter");
        if ("shop".equals(filter)) {
            pd.put("tableName", shop);//寫表名
            this.setConditionAndValue(pd, "isDel", "1", "id", id);//去寫要求改的欄位,欄位值和條件欄位名,欄位值
        }
        if ("usr".equals(filter)) {
            pd.put("tableName", usr);//寫表名
            this.setConditionAndValue(pd, "isDel", "1", "id", id);//去寫要求改的欄位,欄位值和條件欄位名,欄位值
        }
        return pd;
    }

    //根據傳來的表名,來設定值
    PageData setVal4Ban(PageData pd, int type, String id, boolean boo_ban) {
        String filter = pd.get("filter") == null ? "" : pd.getString("filter");
        if ("shop".equals(filter)) {
            pd.put("tableName", shop);//寫表名
            this.setConditionAndValue(pd, "isDisable", boo_ban ? "1" : "0", "id", id);//去寫要求改的欄位,欄位值和條件欄位名,欄位值

        }
        if ("usr".equals(filter)) {
            pd.put("tableName", usr);//寫表名
            this.setConditionAndValue(pd, "isDisabled", boo_ban ? "1" : "0", "id", id);//去寫要求改的欄位,欄位值和條件欄位名,欄位值
        }
        return pd;
    }

    //賦值
    PageData setConditionAndValue(PageData pd, String editFieldName,//被修改的欄位
                                  String editFieldValue,//欄位值
                                  String conditionFieldName,//條件欄位
                                  String conditionFieldValue) {//條件值
        pd.put("editFieldName", editFieldName);
        pd.put("editFieldValue", editFieldValue);
        pd.put("conditionFieldName", conditionFieldName);
        pd.put("conditionFieldValue", conditionFieldValue);
        return pd;
    }
}

    <!--刪除(不真正刪除)-->
    <update id="del" parameterType="pd" statementType="STATEMENT">
        UPDATE ${tableName}
        SET ${editFieldName}=${editFieldValue}
        WHERE  ${conditionFieldName} = ${conditionFieldValue}
    </update>
    <!--禁用-->
    <update id="ban" parameterType="pd" statementType="STATEMENT">
        UPDATE ${tableName}
        SET ${editFieldName}=${editFieldValue}
        WHERE ${conditionFieldName} = ${conditionFieldValue}
        /*更好的解決方案是,在操作之前,查一下*/
        AND IFNULL(${editFieldName},0)=0
    </update>
    <!--啟用-->
    <update id="allow" parameterType="pd" statementType="STATEMENT">
        UPDATE ${tableName}
        SET ${editFieldName}=${editFieldValue}
        WHERE ${conditionFieldName} = ${conditionFieldValue}
        /*更好的解決方案是,在操作之前,查一下*/
        AND IFNULL(${editFieldName},0)=1
    </update>