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package com.util; import javax.crypto.Cipher;import javax.crypto.spec.IvParameterSpec;import javax.crypto.spec.SecretKeySpec; import org.apache.common 阅读全文
posted @ 2019-10-21 10:58
Li&Fan
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package com.web; import java.security.SecureRandom; import javax.crypto.Cipher;import javax.crypto.SecretKey;import javax.crypto.SecretKeyFactory;impo 阅读全文
posted @ 2019-10-21 10:54
Li&Fan
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package com.util; import net.sf.json.JSONObject;import org.apache.http.HttpResponse;import org.apache.http.client.methods.HttpPost;import org.apache.h 阅读全文
posted @ 2019-10-21 10:47
Li&Fan
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public class HttpClientApi { public static JSONObject getData(String url,String data) { CloseableHttpClient httpClient = HttpClients.createDefault(); 阅读全文
posted @ 2019-10-21 10:46
Li&Fan
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去除字符串中的汉字: String str = "YYY54123上海市"; String reg = "[\u4e00-\u9fa5]"; Pattern pat = Pattern.compile(reg); Matcher mat=pat.matcher(str); String repick 阅读全文
posted @ 2019-10-21 10:29
Li&Fan
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判空函数 1)StringUtils.isEmpty(String str) 2)StringUtils.isNotEmpty(String str) 3)StringUtils.isBlank(String str) 4)StringUtils.isNotBlank(String str) 5)S 阅读全文
posted @ 2019-10-21 10:22
Li&Fan
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