StringBuffer sb = new StringBuffer(); if (params != null) { for (Entry e : params.entrySet()) { sb.append(e.getKey()); sb.append("="); sb.append(e.getValue()); sb.append("&"); } sb.substring(0, sb.length() - 1); }
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StringBuffer sb = new StringBuffer(); if (params != null) { for (Entry e : params.entrySet()) { sb.append(e.getKey()); sb.append("="); sb.append(e.getValue()); sb.append("&"); } sb.substring(0, sb.length() - 1); }
转载于:https://www.cnblogs.com/Baronboy/p/5910161.html