🔥 Feature: add queryFloat parser

ctx.go

@@ -1126,6 +1126,28 @@ func (c *Ctx) QueryInt(key string, defaultValue ...int) int {
  return value
 }
 
+// QueryFloat returns float64 value of key string parameter in the url.
+// Default to empty or invalid key is 0.
+//
+// GET /?name=alex&amount=32.23&id=
+// QueryFloat("amount") = 32.23
+// QueryFloat("amount", 3) = 32.23
+// QueryFloat("name", 1) = 1
+// QueryFloat("name") = 0
+// QueryFloat("id", 3) = 3
+func (c *Ctx) QueryFloat(key string, defaultValue ...float64) float64 {
+ // use strconv.ParseFloat to convert the param to a float or return zero and an error.
+ value, err := strconv.ParseFloat(c.app.getString(c.fasthttp.QueryArgs().Peek(key)), 64)
+ if err != nil {
+ if len(defaultValue) > 0 {
+ return defaultValue[0]
+ }
+ return 0
+ }
+
+ return value
+}
+
 // QueryParser binds the query string to a struct.
 func (c *Ctx) QueryParser(out interface{}) error {
  data := make(map[string][]string)

ctx_test.go

@@ -2149,6 +2149,21 @@ func Test_Ctx_QueryInt(t *testing.T) {
  utils.AssertEqual(t, 2, c.QueryInt("id", 2))
 }
 
+func Test_Ctx_QueryFloat(t *testing.T) {
+ t.Parallel()
+ app := New()
+ c := app.AcquireCtx(&fasthttp.RequestCtx{})
+ defer app.ReleaseCtx(c)
+ c.Request().URI().SetQueryString("name=alex&amount=32.23&id=")
+
+ utils.AssertEqual(t, 32.23, c.QueryFloat("amount"))
+ utils.AssertEqual(t, 32.23, c.QueryFloat("amount", 3.123))
+ utils.AssertEqual(t, 87.123, c.QueryFloat("name", 87.123))
+ utils.AssertEqual(t, float64(0), c.QueryFloat("name"))
+ utils.AssertEqual(t, 12.87, c.QueryFloat("id", 12.87))
+ utils.AssertEqual(t, float64(0), c.QueryFloat("id"))
+}
+
 // go test -run Test_Ctx_Range
 func Test_Ctx_Range(t *testing.T) {
  t.Parallel()