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@@ -0,0 +1,51 @@
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+package com.community.huiju.common.sign;
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+
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+import org.apache.commons.lang3.StringUtils;
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+
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+import java.util.HashMap;
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+import java.util.Map;
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+import java.util.Set;
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+
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+/**
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+ * 大苏签名校验
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+ */
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+public class DaSuSign {
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+
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+ /**
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+ * 校验签名是否相等
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+ * @param val_1
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+ * @param val_2
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+ * @return true 相等 false 不相等
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+ */
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+ public boolean isMD5Sign(String val_1, String val_2) {
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+ return StringUtils.equals(val_1, val_2);
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+ }
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+
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+ /**
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+ *
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+ * 创建签名
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+ *
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+ * @param appid
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+ * @param appSecret
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+ * @param datetime 时间戳
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+ * @param encrypt 加密方式(目前就 MD5)
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+ * @param communityid 小区id
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+ * @return
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+ */
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+ public String createSign(String appid, String appSecret, String datetime, String encrypt, String communityid) {
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+ return null;
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+ }
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+
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+
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+ public static void main(String[] args) {
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+ Map<String, Object> map = new HashMap<>();
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+ map.put("a", "1");
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+ map.put("d", "4");
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+ map.put("b", "2");
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+
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+ Set<Map.Entry<String, Object>> entries = map.entrySet();
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+ entries.forEach(e -> System.out.println(e.getKey()));
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+
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+ }
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+
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+}
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