拆分模块

common/src/main/java/com/ecep/contract/util/CompanyUtils.java

@@ -1,4 +1,15 @@
 package com.ecep.contract.util;
 
 public class CompanyUtils {
+    public static String formatCompanyVendorId(int itemId) {
+        if (itemId > 99) {
+            return String.valueOf(itemId);
+        } else if (itemId > 9) {
+            return "0" + itemId;
+        } else if (itemId > 0) {
+            return "00" + itemId;
+        } else {
+            throw new IllegalArgumentException();
+        }
+    }
 }

common/src/main/java/com/ecep/contract/util/FileUtils.java

@@ -1,4 +1,32 @@
 package com.ecep.contract.util;
 
 public class FileUtils {
+    public final static String PDF = ".pdf";
+    public final static String DOC = ".doc";
+    public final static String DOCX = ".docx";
+    public final static String XLS = ".xls";
+    public final static String XLSX = ".xlsx";
+    public final static String PNG = ".png";
+    public final static String JPG = ".jpg";
+    public final static String JPEG = ".jpeg";
+    public final static String JSON = ".json";
+    public final static String FILE_DB_THUMBS = "Thumbs.db";
+    public final static String FILE_DB_JSON = "db.json";
+    public final static String FILE_BLACK_LIST_JSON = "black_list.json";
+    public final static String FILE_B1001_JSON = "b1001.json";
+
+    /**
+     * 检查文件是否符合后缀要求
+     *
+     * @param name           文件名
+     * @param fileExtensions 后缀
+     */
+    public static boolean withExtensions(String name, String... fileExtensions) {
+        for (String fn : fileExtensions) {
+            if (name.endsWith(fn)) {
+                return true;
+            }
+        }
+        return false;
+    }
 }

common/src/main/java/com/ecep/contract/util/HttpJsonUtils.java

@@ -0,0 +1,51 @@
+package com.ecep.contract.util;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintWriter;
+import java.net.*;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Consumer;
+
+public class HttpJsonUtils {
+    public static void post(String url,
+                            Consumer<Map<String, Object>> data,
+                            Consumer<JsonNode> consumer,
+                            ObjectMapper objectMapper, Proxy proxy) throws IOException {
+
+        HashMap<String, Object> params = new HashMap<>();
+        data.accept(params);
+        URI uri = URI.create(url);
+        HttpURLConnection conn = (HttpURLConnection) (proxy == null ? uri.toURL().openConnection() : uri.toURL().openConnection(proxy));
+        conn.usingProxy();
+        conn.setRequestMethod("POST");
+        conn.setRequestProperty("Content-Type", "application/json");
+        conn.setDoOutput(true);
+        conn.setDoInput(true);
+        PrintWriter writer = new PrintWriter(conn.getOutputStream());
+        objectMapper.writeValue(writer, params);
+        writer.flush();
+        conn.connect();
+        try (InputStream is = conn.getInputStream()) {
+            JsonNode json = objectMapper.readTree(is);
+            consumer.accept(json);
+        }
+
+    }
+
+    public static void get(String url, Consumer<JsonNode> consumer, ObjectMapper objectMapper, Proxy proxy) throws IOException {
+        URI uri = URI.create(url);
+        HttpURLConnection conn = (HttpURLConnection) (proxy == null ? uri.toURL().openConnection() : uri.toURL().openConnection(proxy));
+        conn.setRequestMethod("GET");
+        conn.setRequestProperty("Accept", "application/json, text/plain, */*");
+        conn.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36");
+        try (InputStream is = conn.getInputStream()) {
+            JsonNode json = objectMapper.readTree(is);
+            consumer.accept(json);
+        }
+    }
+}

common/src/main/java/com/ecep/contract/util/MyStringUtils.java

@@ -0,0 +1,80 @@
+package com.ecep.contract.util;
+
+import org.springframework.util.StringUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 我的字符串工具箱
+ */
+public class MyStringUtils {
+    /**
+     * 把 append 拼接到 description 后面，如果 append 不在 description 内时
+     *
+     * @param description 被拼接的字符串
+     * @param append      要拼接的内容
+     * @return 拼接后的字符串
+     */
+    public static String appendIfAbsent(String description, String append) {
+        if (StringUtils.hasText(append)) {
+            if (description != null && !description.contains(append)) {
+                return description + ", " + description;
+            }
+        }
+        return description;
+    }
+
+    /**
+     * 检查字符串中的每个字符，是否都是数字 {@link Character#isDigit(char)}
+     *
+     * @param str 要检查的字符串
+     * @return 含有非字符串返回false，否则返回true
+     */
+    public static boolean isAllDigit(String str) {
+        if (!StringUtils.hasText(str)) {
+            return false;
+        }
+        for (byte aByte : str.getBytes()) {
+            if (!Character.isDigit(aByte)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    public static long toLong(String string, long defaultValue) {
+        if (!StringUtils.hasText(string)) {
+            return defaultValue;
+        }
+
+        try {
+            return Long.parseLong(string);
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
+    }
+
+    /**
+     * 分割字符串
+     *
+     * @param str   要分割的字符串
+     * @param regex 要分割的字符
+     * @return 分割后的字符集合
+     */
+    public static List<String> split(String str, String regex) {
+        List<String> list = new ArrayList<>();
+        // 未含有字符时，直接返回空集合
+        if (!StringUtils.hasText(str)) {
+            return list;
+        }
+        // 按照指定字符分割字符串
+        String[] parts = str.split(regex);
+        for (String part : parts) {
+            if (StringUtils.hasText(part)) {
+                list.add(part);
+            }
+        }
+        return list;
+    }
+}

common/src/main/java/com/ecep/contract/util/NumberUtils.java

@@ -0,0 +1,21 @@
+package com.ecep.contract.util;
+
+/**
+ * 数字工具类
+ */
+public class NumberUtils {
+    /**
+     * 判断两个double是否相等
+     *
+     * @param a a
+     * @param b b
+     * @return boolean
+     */
+    public static boolean equals(double a, double b) {
+        return Math.abs(a - b) < 0.01;
+    }
+
+    public static boolean equals(float a, float b) {
+        return Math.abs(a - b) < 0.01;
+    }
+}