public static final void addField(String str, boolean z, String str2, boolean z2) throws IOException {
if (str == null) {
throw new NullPointerException("name");
} else if (str2 != null) {
if (content.size() > 0) {
content.write(38);
}
String str3 = "UTF-8";
if (z) {
try {
str = URLEncoder.encode(str, str3);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
if (z2) {
str2 = URLEncoder.encode(str2, str3);
}
content.write(str.getBytes(str3));
content.write(61);
content.write(str2.getBytes(str3));
} else {
throw new NullPointerException("value");
}
}
这个代码里面的 content.write(61); 我打印了结果 和我穿进去的字符串结果是一样的,请问这里的61有什么用呢?
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