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Java系列 | IntelliJ IDEA 如何导入和使用一个Jar包 - Tinywan

 1 year ago
source link: https://www.cnblogs.com/tinywan/p/17411363.html
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第一步：创建lib文件

创建lib文件，统一管理导入的jar包（若已有lib文件，则直接可以进行第二步）
1021265-20230518110516437-1649585837.png

文件名称命名为`lib`

第二步：对lib文件建立依赖

选择【File】→【Project Structure…】

1021265-20230518110744018-229261162.png

 在弹出的页面中选择【Modules】再选择此项目，点击右边的【Dependencies】，再选择下面的小加号，选择【1 JARs or Directories…】或者【2 Library…】

1021265-20230518110828798-1750158149.png

 找到此项目中的 lib 文件（jar包所在的本地路径）并选择，点击【OK】

1021265-20230518110855541-1580655958.png

第三步：导入jar包

1021265-20230518111046348-1061833583.png
package com.tinywan.cms.api.v1;

import com.zzhy.thirdparty.sdk.crypto.utils.SM4Utils;

/**
 * @author Tinywan(ShaoBo Wan)
 * @description null.java
 * @createDate 2023/5/18 10:15
 */

public class SM4Test {
    public static final String data = "BGCr_zox9gCJ4cTyh4FjYsP7IvlB3uTL9MHDDLETFGpGlbQ0=";

    public static void main(String[] args) {
        String key = "e9d56722cf902909793b3bdcdbe48ce0";
        System.out.println(new String(SM4Utils.decryptBase64Url(key,data.getBytes())));
    }
}

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