中车电站数据融合
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@ -187,7 +187,7 @@ public class HttpUtils {
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/**
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* 将Map转换为JSON字符串(简单实现,实际项目中建议使用Jackson/Gson等库)
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*/
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private static String mapToJson(Map<String, Object> params) {
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public static String mapToJson(Map<String, Object> params) {
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if (params == null || params.isEmpty()) {
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return "{}";
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}
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