[英]Java Cannot generate more than one JSON text
我正在嘗試從數據中生成一個json文件 ,但最終在得到此異常之前僅生成一個json對象Java Cannot generate more than one JSON text
這是我的代碼:
OutputStream fos = new FileOutputStream("new_fake_students.json",false);
JsonGenerator g = Json.createGenerator(fos);
while (matcher.find())
{
String temp = matcher.group();
String[] values = temp.split(",");
if(values.length>=4)
{
g.writeStartObject();
g.write("id",values[0]);
g.write("name",values[1]+values[2]);
g.write("major",values[3]);
g.writeEnd();
}
}
g.close();
fos.close();
}
似乎您生成了多個對象,確定要生成一組對象嗎? 也許:
OutputStream fos = new FileOutputStream("new_fake_students.json",false);
JsonGenerator g = Json.createGenerator(fos);
g.writeStartArray(); // start the array
while (matcher.find())
{
String temp = matcher.group();
String[] values = temp.split(",");
if(values.length>=4)
{
g.writeStartObject();
g.write("id",values[0]);
g.write("name",values[1]+values[2]);
g.write("major",values[3]);
g.writeEndObject(); // does g.writeEnd() even exists?
}
}
g.writeEndArray(); // close that array
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