com.zcj.web.mybatisplus.action.BaseAction Maven / Gradle / Ivy

Go to download
package com.zcj.web.mybatisplus.action;

import com.baomidou.mybatisplus.extension.service.IService;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.zcj.util.UtilDate;
import com.zcj.util.UtilString;
import com.zcj.util.json.gson.GsonFieldNamingStrategy;
import com.zcj.util.validator.ValidatorUtil;
import com.zcj.web.exception.BusinessAssert;
import com.zcj.web.exception.BusinessException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;

import java.beans.PropertyEditorSupport;
import java.math.BigDecimal;
import java.util.Date;

public class BaseAction {

    @Autowired
    protected S baseService;

    @InitBinder
    public void initBinder(WebDataBinder binder) {
        binder.setAutoGrowCollectionLimit(10000);
        binder.registerCustomEditor(Date.class, new DateEditor());
        binder.registerCustomEditor(BigDecimal.class, new BigDecimalEditor());
    }

    private class DateEditor extends PropertyEditorSupport {
        @Override
        public void setAsText(String text) {
            Date date = UtilDate.format(text);
            setValue(date);
        }
    }

    private class BigDecimalEditor extends PropertyEditorSupport {
        @Override
        public void setAsText(String text) {
            if (UtilString.isNotBlank(text)) {
                text = text.replace(",", "");
                setValue(text);
            }
        }
    }

    /**
     * 把 searchDateVal 的值通过分隔符（默认“ - ”）拆分后转成 Date 格式
     *
     * @param searchDateVal 待处理的字符串
     * @param splitVal      分隔符
     * @return java.util.Date[]
     */
    protected Date[] splitSearchDate(String searchDateVal, String splitVal) {
        Date[] result = new Date[]{null, null};
        if (UtilString.isBlank(splitVal)) {
            splitVal = " - ";
        }
        if (UtilString.isNotBlank(searchDateVal)) {
            String[] a = searchDateVal.split(splitVal);
            if (a.length == 2) {
                result[0] = UtilDate.format(a[0]);
                result[1] = UtilDate.format(a[1]);
            }
        }
        return result;
    }

    /**
     * GSON实例（会把待转对象中的pid属性名称改成parentId，name属性名改成title）
     *
     * @return Gson
     */
    protected Gson dtreeGson() {
        return new GsonBuilder()
                .setFieldNamingStrategy(new GsonFieldNamingStrategy(new String[]{"pid", "name"}, new String[]{"parentId", "title"}))
                .create();
    }

    // 参数验证
    protected void validParam(Object param, boolean paramNullable) {
        if (param == null && paramNullable) {
            return;
        } else if (param == null) {
            throw new BusinessException("参数不能为空");
        }
        String validResult = ValidatorUtil.validSingle(param);
        BusinessAssert.checkArgument(validResult == null, validResult);
    }

    // 参数验证
    protected void validParam(Object param) {
        this.validParam(param, false);
    }

}