public String buildMap(Map<String, String> map) {
StringBuffer sb = new StringBuffer();
if (map.size() > 0) {
for (String key : map.keySet()) {
sb.append(key + "=");
if (StringUtils.isEmpty(map.get(key))) {
sb.append("&");
} else {
String value = map.get(key);
try {
value = URLEncoder.encode(value, "UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
sb.append(value + "&");
}
}
}
return sb.toString();
}
Map is converted into url splicing request parameters
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Origin blog.csdn.net/yonghutwo/article/details/121379239
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