platform-b2c/src/test/java/com/uas/platform/b2c/Test.java

package com.uas.platform.b2c;

import com.uas.platform.b2c.core.constant.SplitChar;
import com.uas.platform.b2c.core.utils.StringUtilB2C;
import com.uas.platform.b2c.prod.commodity.model.Product;
import com.uas.platform.b2c.prod.commodity.service.ProductService;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

/**
 * description
 *
 * @author yuj 2018-09-07 16:07
 */
public class Test {

    @Autowired
    private ProductService productService;

    @org.junit.Test
    public void test() {
        Product panaVise = productService.getProductByEnuuAndCodeAndBrand(10043560L, "HE1AN-P-DC12V", "PanaVise");
        if (panaVise != null) {
            System.err.println(panaVise.toString());
        } else {
            System.err.println("没有");
        }
    }

    @org.junit.Test
    public void testList() {
//        String list = "PreparedStatementCallback; SQL [insert into product$users(pu_date, pu_enuu, pu_prid, pu_useruu) values (?, ?, ?, ?)]; Duplicate entry '10030994-34298797-1000001778' for key 'UNIQUE_ENUU_USERUU_PRID'; nested exception is java.sql.BatchUpdateException: Duplicate entry '10030994-34298797-1000001778' for key 'UNIQUE_ENUU_USERUU_PRID'";
//        int li = list.lastIndexOf("-");
//        String substring = list.substring(0, li);
//        int l = substring.lastIndexOf("-");
//        String substring1 = substring.substring(l + 1);
//        System.out.println(substring1);
        UUID uuid = UUID.randomUUID();
        System.out.println(uuid);
    }

    @org.junit.Test
    public void testCopy() {
        List<Integer> list = new ArrayList<>();
        list.add(1);
        list.add(2);
        list.add(3);
        Integer[] list2 = new Integer[list.size()];
        System.arraycopy(list.toArray(), 0, list2, 0, list.size());
        System.out.println(list2);
    }

    @org.junit.Test
    public void stringBufferTest() {
        List<Long> list = new ArrayList<>();
        list.add(1l);
        list.add(2l);
        String s1 = StringUtilB2C.joinListUseContact(list, SplitChar.COMMA);
        System.out.println(s1);
        StringBuffer st = new StringBuffer();
        for (Long aLong : list) {
            st.append(aLong);
            String s = st.substring(0, 1);
            System.out.println(s);
        }
        System.out.println(st.toString());

        StringBuffer buffer = new StringBuffer();
        buffer.append("1,");
        System.out.println(buffer.length());
        CharSequence charSequence = buffer.subSequence(0, buffer.length() - 1);
        System.out.println(charSequence.toString());
    }
}