如何解决反应范围滑块值气泡
我正在尝试创建自定义反应范围滑块。到目前为止,一切正常。我每次都需要在圆形切换按钮中显示滑块的当前值(不仅仅是在激活滑块时)。来回切换滑块时,该值应在圆形切换按钮上动态更改。 像这样:
我尝试使用react refs捕获当前样式并在其上相应地应用CSS,但这似乎不起作用。
有效代码段的链接:
https://codesandbox.io/s/eloquent-worker-qt99n?file=/src/customSlider.js
解决相同问题的任何帮助:)
预先感谢
解决方法
您的代码中存在一些不一致之处:
-
ERROR: Command errored out with exit status 1: command: 'c:\users\aravb\appdata\local\programs\python\python39\python.exe' 'c:\users\aravb\appdata\local\programs\python\python39\lib\site-packages\pip\_vendor\pep517\_in_process.py' prepare_metadata_for_build_wheel 'C:\Users\aravb\AppData\Local\Temp\tmphsaddixr' cwd: C:\Users\aravb\AppData\Local\Temp\pip-install-swrzcesh\numpy Complete output (247 lines): Running from numpy source directory. setup.py:470: UserWarning: Unrecognized setuptools command,proceeding with generating Cython sources and expanding templates run_build = parse_setuppy_commands() Processing numpy/random\_bounded_integers.pxd.in Processing numpy/random\bit_generator.pyx Processing numpy/random\mtrand.pyx Processing numpy/random\_bounded_integers.pyx.in Processing numpy/random\_common.pyx Processing numpy/random\_generator.pyx Processing numpy/random\_mt19937.pyx Processing numpy/random\_pcg64.pyx Processing numpy/random\_philox.pyx Processing numpy/random\_sfc64.pyx Cythonizing sources blas_opt_info: blas_mkl_info: No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries mkl_rt not found in ['c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\lib','C:\\','c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\libs'] NOT AVAILABLE blis_info: libraries blis not found in ['c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\lib','c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\libs'] NOT AVAILABLE openblas_info: libraries openblas not found in ['c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\lib','c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\libs'] get_default_fcompiler: matching types: '['gnu','intelv','absoft','compaqv','intelev','gnu95','g95','intelvem','intelem','flang']' customize GnuFCompiler Could not locate executable g77 Could not locate executable f77 customize IntelVisualFCompiler Could not locate executable ifort Could not locate executable ifl customize AbsoftFCompiler Could not locate executable f90 customize CompaqVisualFCompiler Found executable C:\Program Files\Git\usr\bin\DF.exe Could not locate executable C:\Program customize IntelItaniumVisualFCompiler Could not locate executable efl customize Gnu95FCompiler Could not locate executable gfortran Could not locate executable f95 customize G95FCompiler Could not locate executable g95 customize IntelEM64VisualFCompiler customize IntelEM64TFCompiler Could not locate executable efort Could not locate executable efc customize PGroupFlangCompiler Could not locate executable flang don't know how to compile Fortran code on platform 'nt' NOT AVAILABLE atlas_3_10_blas_threads_info: Setting PTATLAS=ATLAS libraries tatlas not found in ['c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\lib','c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\libs'] NOT AVAILABLE atlas_3_10_blas_info: libraries satlas not found in ['c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\lib','c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\libs'] NOT AVAILABLE atlas_blas_threads_info: Setting PTATLAS=ATLAS libraries ptf77blas,ptcblas,atlas not found in ['c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\lib','c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\libs'] NOT AVAILABLE atlas_blas_info: libraries f77blas,cblas,'c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\libs'] NOT AVAILABLE accelerate_info: NOT AVAILABLE C:\Users\aravb\AppData\Local\Temp\pip-install-swrzcesh\numpy\numpy\distutils\system_info.py:1914: UserWarning: Optimized (vendor) Blas libraries are not found. Falls back to netlib Blas library which has worse performance. A better performance should be easily gained by switching Blas library. if self._calc_info(blas): blas_info: libraries blas not found in ['c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\lib','c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\libs'] NOT AVAILABLE C:\Users\aravb\AppData\Local\Temp\pip-install-swrzcesh\numpy\numpy\distutils\system_info.py:1914: UserWarning: Blas (http://www.netlib.org/blas/) libraries not found. Directories to search for the libraries can be specified in the numpy/distutils/site.cfg file (section [blas]) or by setting the BLAS environment variable. if self._calc_info(blas): blas_src_info: NOT AVAILABLE C:\Users\aravb\AppData\Local\Temp\pip-install-swrzcesh\numpy\numpy\distutils\system_info.py:1914: UserWarning: Blas (http://www.netlib.org/blas/) sources not found. Directories to search for the sources can be specified in the numpy/distutils/site.cfg file (section [blas_src]) or by setting the BLAS_SRC environment variable. if self._calc_info(blas): NOT AVAILABLE non-existing path in 'numpy\\distutils': 'site.cfg' lapack_opt_info: lapack_mkl_info: libraries mkl_rt not found in ['c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\lib','c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\libs'] NOT AVAILABLE openblas_lapack_info: libraries openblas not found in ['c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\lib','c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\libs'] NOT AVAILABLE openblas_clapack_info: libraries openblas,lapack not found in ['c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\lib','c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\libs'] NOT AVAILABLE flame_info: libraries flame not found in ['c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\lib','c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\libs'] NOT AVAILABLE atlas_3_10_threads_info: Setting PTATLAS=ATLAS libraries lapack_atlas not found in c:\users\aravb\appdata\local\programs\python\python39\lib libraries tatlas,tatlas not found in c:\users\aravb\appdata\local\programs\python\python39\lib libraries lapack_atlas not found in C:\ libraries tatlas,tatlas not found in C:\ libraries lapack_atlas not found in c:\users\aravb\appdata\local\programs\python\python39\libs libraries tatlas,tatlas not found in c:\users\aravb\appdata\local\programs\python\python39\libs <class 'numpy.distutils.system_info.atlas_3_10_threads_info'> NOT AVAILABLE atlas_3_10_info: libraries lapack_atlas not found in c:\users\aravb\appdata\local\programs\python\python39\lib libraries satlas,satlas not found in c:\users\aravb\appdata\local\programs\python\python39\lib libraries lapack_atlas not found in C:\ libraries satlas,satlas not found in C:\ libraries lapack_atlas not found in c:\users\aravb\appdata\local\programs\python\python39\libs libraries satlas,satlas not found in c:\users\aravb\appdata\local\programs\python\python39\libs <class 'numpy.distutils.system_info.atlas_3_10_info'> NOT AVAILABLE atlas_threads_info: Setting PTATLAS=ATLAS libraries lapack_atlas not found in c:\users\aravb\appdata\local\programs\python\python39\lib libraries ptf77blas,atlas not found in c:\users\aravb\appdata\local\programs\python\python39\lib libraries lapack_atlas not found in C:\ libraries ptf77blas,atlas not found in C:\ libraries lapack_atlas not found in c:\users\aravb\appdata\local\programs\python\python39\libs libraries ptf77blas,atlas not found in c:\users\aravb\appdata\local\programs\python\python39\libs <class 'numpy.distutils.system_info.atlas_threads_info'> NOT AVAILABLE atlas_info: libraries lapack_atlas not found in c:\users\aravb\appdata\local\programs\python\python39\lib libraries f77blas,atlas not found in c:\users\aravb\appdata\local\programs\python\python39\lib libraries lapack_atlas not found in C:\ libraries f77blas,atlas not found in C:\ libraries lapack_atlas not found in c:\users\aravb\appdata\local\programs\python\python39\libs libraries f77blas,atlas not found in c:\users\aravb\appdata\local\programs\python\python39\libs <class 'numpy.distutils.system_info.atlas_info'> NOT AVAILABLE lapack_info: libraries lapack not found in ['c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\lib','c:\\users\\aravb\\appdata\\local\\programs\\python\\python39\\libs'] NOT AVAILABLE C:\Users\aravb\AppData\Local\Temp\pip-install-swrzcesh\numpy\numpy\distutils\system_info.py:1748: UserWarning: Lapack (http://www.netlib.org/lapack/) libraries not found. Directories to search for the libraries can be specified in the numpy/distutils/site.cfg file (section [lapack]) or by setting the LAPACK environment variable. return getattr(self,'_calc_info_{}'.format(name))() lapack_src_info: NOT AVAILABLE C:\Users\aravb\AppData\Local\Temp\pip-install-swrzcesh\numpy\numpy\distutils\system_info.py:1748: UserWarning: Lapack (http://www.netlib.org/lapack/) sources not found. Directories to search for the sources can be specified in the numpy/distutils/site.cfg file (section [lapack_src]) or by setting the LAPACK_SRC environment variable. return getattr(self,'_calc_info_{}'.format(name))() NOT AVAILABLE numpy_linalg_lapack_lite: FOUND: language = c define_macros = [('HAVE_BLAS_ILP64',None),('BLAS_SYMBOL_SUFFIX','64_')] c:\users\aravb\appdata\local\programs\python\python39\lib\distutils\dist.py:274: UserWarning: Unknown distribution option: 'define_macros' warnings.warn(msg) running dist_info running build_src build_src building py_modules sources creating build creating build\src.win-amd64-3.9 creating build\src.win-amd64-3.9\numpy creating build\src.win-amd64-3.9\numpy\distutils building library "npymath" sources LINK : fatal error LNK1104: cannot open file 'kernel32.lib' Traceback (most recent call last): File "c:\users\aravb\appdata\local\programs\python\python39\lib\site-packages\pip\_vendor\pep517\_in_process.py",line 280,in <module> main() File "c:\users\aravb\appdata\local\programs\python\python39\lib\site-packages\pip\_vendor\pep517\_in_process.py",line 263,in main json_out['return_val'] = hook(**hook_input['kwargs']) File "c:\users\aravb\appdata\local\programs\python\python39\lib\site-packages\pip\_vendor\pep517\_in_process.py",line 133,in prepare_metadata_for_build_wheel return hook(metadata_directory,config_settings) File "C:\Users\aravb\AppData\Local\Temp\pip-build-env-awvfw0p5\overlay\Lib\site-packages\setuptools\build_meta.py",line 157,in prepare_metadata_for_build_wheel self.run_setup() File "C:\Users\aravb\AppData\Local\Temp\pip-build-env-awvfw0p5\overlay\Lib\site-packages\setuptools\build_meta.py",line 248,in run_setup super(_BuildMetaLegacyBackend,File "C:\Users\aravb\AppData\Local\Temp\pip-build-env-awvfw0p5\overlay\Lib\site-packages\setuptools\build_meta.py",line 142,in run_setup exec(compile(code,__file__,'exec'),locals()) File "setup.py",line 499,in <module> setup_package() File "setup.py",line 491,in setup_package setup(**metadata) File "C:\Users\aravb\AppData\Local\Temp\pip-install-swrzcesh\numpy\numpy\distutils\core.py",line 169,in setup return old_setup(**new_attr) File "C:\Users\aravb\AppData\Local\Temp\pip-build-env-awvfw0p5\overlay\Lib\site-packages\setuptools\__init__.py",line 165,in setup return distutils.core.setup(**attrs) File "c:\users\aravb\appdata\local\programs\python\python39\lib\distutils\core.py",line 148,in setup dist.run_commands() File "c:\users\aravb\appdata\local\programs\python\python39\lib\distutils\dist.py",line 966,in run_commands self.run_command(cmd) File "c:\users\aravb\appdata\local\programs\python\python39\lib\distutils\dist.py",line 985,in run_command cmd_obj.run() File "C:\Users\aravb\AppData\Local\Temp\pip-build-env-awvfw0p5\overlay\Lib\site-packages\setuptools\command\dist_info.py",line 31,in run egg_info.run() File "C:\Users\aravb\AppData\Local\Temp\pip-install-swrzcesh\numpy\numpy\distutils\command\egg_info.py",line 24,in run self.run_command("build_src") File "c:\users\aravb\appdata\local\programs\python\python39\lib\distutils\cmd.py",line 313,in run_command self.distribution.run_command(command) File "c:\users\aravb\appdata\local\programs\python\python39\lib\distutils\dist.py",in run_command cmd_obj.run() File "C:\Users\aravb\AppData\Local\Temp\pip-install-swrzcesh\numpy\numpy\distutils\command\build_src.py",line 144,in run self.build_sources() File "C:\Users\aravb\AppData\Local\Temp\pip-install-swrzcesh\numpy\numpy\distutils\command\build_src.py",line 155,in build_sources self.build_library_sources(*libname_info) File "C:\Users\aravb\AppData\Local\Temp\pip-install-swrzcesh\numpy\numpy\distutils\command\build_src.py",line 288,in build_library_sources sources = self.generate_sources(sources,(lib_name,build_info)) File "C:\Users\aravb\AppData\Local\Temp\pip-install-swrzcesh\numpy\numpy\distutils\command\build_src.py",line 378,in generate_sources source = func(extension,build_dir) File "numpy\core\setup.py",line 655,in get_mathlib_info raise RuntimeError("Broken toolchain: cannot link a simple C program") RuntimeError: Broken toolchain: cannot link a simple C program
被<output>
隐藏 - 您需要
display: none
拥有.slideInpOuter
,以便position: relative
的位置符合<output>
-
.slideInpOuter
应该为35,因为在thumbwidth
中将拇指的宽度设置为35px
-
sliderThumbStyles
的css值应与拇指和输出相同 -
top
的输出应为line-height
,以使文本垂直居中 - 您错误地使用了CSS
35px
除此之外,似乎您无法从ref破坏calc
,需要像这样thumbwidth
使用.getAttribute
您可以看到它在这里进行了所有必要的更改https://codesandbox.io/s/jovial-http-5tqex?file=/src/customSlider.js
我必须添加一个useEffect钩子才能在第一次渲染时更新样式
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