将一个json对象或json字符串格式化成具有简单的格式 下面是代码的实现:
public class PRettyJSON { public static String pretty(String jsonStr) { StringBuffer sb = new StringBuffer(); char[] charArray = jsonStr.toCharArray(); char[] stack = new char[1024]; // 存放括号,如 "{","}","[","]" int top = -1; for (int i = 0; i < charArray.length; i++) { char c = charArray[i]; if ('{' == c || '[' == c) { stack[++top] = c; // 将括号添加到数组中,这个可以简单理解为栈的入栈 sb.append(charArray[i] + "/n"); for (int j = 0; j <= top; j++) { sb.append("/t"); } continue; } if ((i + 1) <= (charArray.length - 1)) { char d = charArray[i + 1]; if ('}' == d || ']' == d) { top--; // 将数组的最后一个有效内容位置下标减 1,可以简单的理解为将栈顶数据弹出 sb.append(charArray[i] + "/n"); for (int j = 0; j <= top; j++) { sb.append("/t"); } continue; } } if (',' == c) { sb.append(charArray[i] + "/n"); for (int j = 0; j <= top; j++) { sb.append("/t"); } continue; } sb.append(c); } return sb.toString(); } }新闻热点
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