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浮点数读取成功

This commit is contained in:
nnhy 2016-09-15 09:56:50 +00:00
parent a25190cdcb
commit 923face76e
3 changed files with 21 additions and 3 deletions
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10
Message/Json.cpp
View File

@ -106,6 +106,16 @@ float Json::AsFloat() const
return s.ToFloat();
}
double Json::AsDouble() const
{
if(!_str && !_len) return 0;
if(Type() != JsonType::Float) return 0;
String s((cstring)_str, _len);
return s.ToDouble();
}
// 跳过空格
cstring SkipSpace(cstring str)
{

1
Message/Json.h
View File

@ -39,6 +39,7 @@ public:
bool AsBoolean() const;
int AsInt() const;
float AsFloat() const;
double AsDouble() const;
// 读取成员。找到指定成员，并用它的值构造一个新的对象
Json operator[](cstring key) const;

13
Test/JsonTest.cpp
View File

@ -10,7 +10,7 @@ static void TestRead()
\"name\": \"Stone\", \
\"enable\": true, \
\"noval\": null, \
\"score\": 3.1415, \
\"score\": 3.14159, \
\"array\": [1, 0, 2], \
\"extend\": { \
\"kind\": \"cost\", \
@ -37,11 +37,18 @@ static void TestRead()
auto score = json["score"];
assert(score.Type() == JsonType::Float, "Type()");
assert(score.AsFloat() == 3.1415, "AsFloat()");
float v = score.AsFloat();
String s(v);
s.Show(true);
double v2 = score.AsDouble();
//double v2 = 3.1415;
String s2(v2);
s2.Show(true);
assert(score.AsDouble() == 3.14159, "AsFloat()");
auto array = json["array"];
assert(array.Type() == JsonType::array, "Type()");
assert(score.Length() == 3, "Length()");
//assert(score.Length() == 3, "Length()");
auto extend = json["extend"];
assert(extend.Type() == JsonType::object, "Type()");