String转String[][]

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String

[["学校","班级","考号","学生姓名","总分","1","2","3","4","5-1","5-2","6","11"],["112801","1","17001001","王烨涵","88","1.5","1.5","1.5","1.5","0","1.5","1.5","1.5"],["112801","1","17001002","郑一一","53","1.5","1.5","1.5","0","1.5","1.5","1.5","0"]]

 

public String[][] getDatas(String contentStr) {
		JSONArray arr = JSON.parseArray(contentStr);
		int size = arr.getJSONArray(0).size();
		String[][] content = new String[arr.size()][size];
		for (int i = 0; i < arr.size(); i++) {
			JSONArray rowarr = arr.getJSONArray(i);
			for (int j = 0; j < size; j++) {
				content[i][j] = (String) rowarr.get(j);
			}
		}
		return content;
	}