.katex { display: block; text-align: center; white-space: nowrap; }
.katex-display > .katex > .katex-html { display: block; }
.katex-display > .katex > .katex-html > .tag { position: absolute; right: 0px; }
.katex { font-style: normal; font-variant: normal; font-weight: normal; font-stretch: normal; font-size: 1.21em; font-family: KaTeX_Main, "Times New Roman", serif; line-height: 1.2; text-indent: 0px; text-rendering: auto; }
.katex * { }
.katex .katex-mathml { position: absolute; clip: rect(1px 1px 1px 1px); padding: 0px; border: 0px; height: 1px; width: 1px; overflow: hidden; }
.katex .katex-html { }
.katex .katex-html > .newline { display: block; }
.katex .base { position: relative; display: inline-block; white-space: nowrap; width: min-content; }
.katex .strut { display: inline-block; }
.katex .textbf { font-weight: bold; }
.katex .textit { font-style: italic; }
.katex .textrm { font-family: KaTeX_Main; }
.katex .textsf { font-family: KaTeX_SansSerif; }
.katex .texttt { font-family: KaTeX_Typewriter; }
.katex .mathit { font-family: KaTeX_Math; font-style: italic; }
.katex .mathrm { font-style: normal; }
.katex .mathbf { font-family: KaTeX_Main; font-weight: bold; }
.katex .boldsymbol { font-family: KaTeX_Math; font-weight: bold; font-style: italic; }
.katex .amsrm { font-family: KaTeX_AMS; }
.katex .mathbb, .katex .textbb { font-family: KaTeX_AMS; }
.katex .mathcal { font-family: KaTeX_Caligraphic; }
.katex .mathfrak, .katex .textfrak { font-family: KaTeX_Fraktur; }
.katex .mathtt { font-family: KaTeX_Typewriter; }
.katex .mathscr, .katex .textscr { font-family: KaTeX_Script; }
.katex .mathsf, .katex .textsf { font-family: KaTeX_SansSerif; }
.katex .mainit { font-family: KaTeX_Main; font-style: italic; }
.katex .mainrm { font-family: KaTeX_Main; font-style: normal; }
.katex .vlist-t { display: inline-table; table-layout: fixed; }
.katex .vlist-r { display: table-row; }
.katex .vlist { display: table-cell; vertical-align: bottom; position: relative; }
.katex .vlist > span { display: block; height: 0px; position: relative; }
.katex .vlist > span > span { display: inline-block; }
.katex .vlist > span > .pstrut { overflow: hidden; width: 0px; }
.katex .vlist-t2 { margin-right: -2px; }
.katex .vlist-s { display: table-cell; vertical-align: bottom; font-size: 1px; width: 2px; min-width: 2px; }
.katex .msupsub { text-align: left; }
.katex .mfrac > span > span { text-align: center; }
.katex .mfrac .frac-line { display: inline-block; width: 100%; border-bottom-style: solid; }
.katex .mspace { display: inline-block; }
.katex .llap, .katex .rlap, .katex .clap { width: 0px; position: relative; }
.katex .llap > .inner, .katex .rlap > .inner, .katex .clap > .inner { position: absolute; }
.katex .llap > .fix, .katex .rlap > .fix, .katex .clap > .fix { display: inline-block; }
.katex .llap > .inner { right: 0px; }
.katex .rlap > .inner, .katex .clap > .inner { left: 0px; }
.katex .clap > .inner > span { margin-left: -50%; margin-right: 50%; }
.katex .rule { display: inline-block; border: 0px solid; position: relative; }
.katex .overline .overline-line, .katex .underline .underline-line, .katex .hline { display: inline-block; width: 100%; border-bottom-style: solid; }
.katex .hdashline { display: inline-block; width: 100%; border-bottom-style: dashed; }
.katex .sqrt > .root { margin-left: 0.277778em; margin-right: -0.555556em; }
.katex .sizing, .katex .fontsize-ensurer { display: inline-block; }
.katex .sizing.reset-size1.size1, .katex .fontsize-ensurer.reset-size1.size1 { font-size: 1em; }
.katex .sizing.reset-size1.size2, .katex .fontsize-ensurer.reset-size1.size2 { font-size: 1.2em; }
.katex .sizing.reset-size1.size3, .katex .fontsize-ensurer.reset-size1.size3 { font-size: 1.4em; }
.katex .sizing.reset-size1.size4, .katex .fontsize-ensurer.reset-size1.size4 { font-size: 1.6em; }
.katex .sizing.reset-size1.size5, .katex .fontsize-ensurer.reset-size1.size5 { font-size: 1.8em; }
.katex .sizing.reset-size1.size6, .katex .fontsize-ensurer.reset-size1.size6 { font-size: 2em; }
.katex .sizing.reset-size1.size7, .katex .fontsize-ensurer.reset-size1.size7 { font-size: 2.4em; }
.katex .sizing.reset-size1.size8, .katex .fontsize-ensurer.reset-size1.size8 { font-size: 2.88em; }
.katex .sizing.reset-size1.size9, .katex .fontsize-ensurer.reset-size1.size9 { font-size: 3.456em; }
.katex .sizing.reset-size1.size10, .katex .fontsize-ensurer.reset-size1.size10 { font-size: 4.148em; }
.katex .sizing.reset-size1.size11, .katex .fontsize-ensurer.reset-size1.size11 { font-size: 4.976em; }
.katex .sizing.reset-size2.size1, .katex .fontsize-ensurer.reset-size2.size1 { font-size: 0.833333em; }
.katex .sizing.reset-size2.size2, .katex .fontsize-ensurer.reset-size2.size2 { font-size: 1em; }
.katex .sizing.reset-size2.size3, .katex .fontsize-ensurer.reset-size2.size3 { font-size: 1.16667em; }
.katex .sizing.reset-size2.size4, .katex .fontsize-ensurer.reset-size2.size4 { font-size: 1.33333em; }
.katex .sizing.reset-size2.size5, .katex .fontsize-ensurer.reset-size2.size5 { font-size: 1.5em; }
.katex .sizing.reset-size2.size6, .katex .fontsize-ensurer.reset-size2.size6 { font-size: 1.66667em; }
.katex .sizing.reset-size2.size7, .katex .fontsize-ensurer.reset-size2.size7 { font-size: 2em; }
.katex .sizing.reset-size2.size8, .katex .fontsize-ensurer.reset-size2.size8 { font-size: 2.4em; }
.katex .sizing.reset-size2.size9, .katex .fontsize-ensurer.reset-size2.size9 { font-size: 2.88em; }
.katex .sizing.reset-size2.size10, .katex .fontsize-ensurer.reset-size2.size10 { font-size: 3.45667em; }
.katex .sizing.reset-size2.size11, .katex .fontsize-ensurer.reset-size2.size11 { font-size: 4.14667em; }
.katex .sizing.reset-size3.size1, .katex .fontsize-ensurer.reset-size3.size1 { font-size: 0.714286em; }
.katex .sizing.reset-size3.size2, .katex .fontsize-ensurer.reset-size3.size2 { font-size: 0.857143em; }
.katex .sizing.reset-size3.size3, .katex .fontsize-ensurer.reset-size3.size3 { font-size: 1em; }
.katex .sizing.reset-size3.size4, .katex .fontsize-ensurer.reset-size3.size4 { font-size: 1.14286em; }
.katex .sizing.reset-size3.size5, .katex .fontsize-ensurer.reset-size3.size5 { font-size: 1.28571em; }
.katex .sizing.reset-size3.size6, .katex .fontsize-ensurer.reset-size3.size6 { font-size: 1.42857em; }
.katex .sizing.reset-size3.size7, .katex .fontsize-ensurer.reset-size3.size7 { font-size: 1.71429em; }
.katex .sizing.reset-size3.size8, .katex .fontsize-ensurer.reset-size3.size8 { font-size: 2.05714em; }
.katex .sizing.reset-size3.size9, .katex .fontsize-ensurer.reset-size3.size9 { font-size: 2.46857em; }
.katex .sizing.reset-size3.size10, .katex .fontsize-ensurer.reset-size3.size10 { font-size: 2.96286em; }
.katex .sizing.reset-size3.size11, .katex .fontsize-ensurer.reset-size3.size11 { font-size: 3.55429em; }
.katex .sizing.reset-size4.size1, .katex .fontsize-ensurer.reset-size4.size1 { font-size: 0.625em; }
.katex .sizing.reset-size4.size2, .katex .fontsize-ensurer.reset-size4.size2 { font-size: 0.75em; }
.katex .sizing.reset-size4.size3, .katex .fontsize-ensurer.reset-size4.size3 { font-size: 0.875em; }
.katex .sizing.reset-size4.size4, .katex .fontsize-ensurer.reset-size4.size4 { font-size: 1em; }
.katex .sizing.reset-size4.size5, .katex .fontsize-ensurer.reset-size4.size5 { font-size: 1.125em; }
.katex .sizing.reset-size4.size6, .katex .fontsize-ensurer.reset-size4.size6 { font-size: 1.25em; }
.katex .sizing.reset-size4.size7, .katex .fontsize-ensurer.reset-size4.size7 { font-size: 1.5em; }
.katex .sizing.reset-size4.size8, .katex .fontsize-ensurer.reset-size4.size8 { font-size: 1.8em; }
.katex .sizing.reset-size4.size9, .katex .fontsize-ensurer.reset-size4.size9 { font-size: 2.16em; }
.katex .sizing.reset-size4.size10, .katex .fontsize-ensurer.reset-size4.size10 { font-size: 2.5925em; }
.katex .sizing.reset-size4.size11, .katex .fontsize-ensurer.reset-size4.size11 { font-size: 3.11em; }
.katex .sizing.reset-size5.size1, .katex .fontsize-ensurer.reset-size5.size1 { font-size: 0.555556em; }
.katex .sizing.reset-size5.size2, .katex .fontsize-ensurer.reset-size5.size2 { font-size: 0.666667em; }
.katex .sizing.reset-size5.size3, .katex .fontsize-ensurer.reset-size5.size3 { font-size: 0.777778em; }
.katex .sizing.reset-size5.size4, .katex .fontsize-ensurer.reset-size5.size4 { font-size: 0.888889em; }
.katex .sizing.reset-size5.size5, .katex .fontsize-ensurer.reset-size5.size5 { font-size: 1em; }
.katex .sizing.reset-size5.size6, .katex .fontsize-ensurer.reset-size5.size6 { font-size: 1.11111em; }
.katex .sizing.reset-size5.size7, .katex .fontsize-ensurer.reset-size5.size7 { font-size: 1.33333em; }
.katex .sizing.reset-size5.size8, .katex .fontsize-ensurer.reset-size5.size8 { font-size: 1.6em; }
.katex .sizing.reset-size5.size9, .katex .fontsize-ensurer.reset-size5.size9 { font-size: 1.92em; }
.katex .sizing.reset-size5.size10, .katex .fontsize-ensurer.reset-size5.size10 { font-size: 2.30444em; }
.katex .sizing.reset-size5.size11, .katex .fontsize-ensurer.reset-size5.size11 { font-size: 2.76444em; }
.katex .sizing.reset-size6.size1, .katex .fontsize-ensurer.reset-size6.size1 { font-size: 0.5em; }
.katex .sizing.reset-size6.size2, .katex .fontsize-ensurer.reset-size6.size2 { font-size: 0.6em; }
.katex .sizing.reset-size6.size3, .katex .fontsize-ensurer.reset-size6.size3 { font-size: 0.7em; }
.katex .sizing.reset-size6.size4, .katex .fontsize-ensurer.reset-size6.size4 { font-size: 0.8em; }
.katex .sizing.reset-size6.size5, .katex .fontsize-ensurer.reset-size6.size5 { font-size: 0.9em; }
.katex .sizing.reset-size6.size6, .katex .fontsize-ensurer.reset-size6.size6 { font-size: 1em; }
.katex .sizing.reset-size6.size7, .katex .fontsize-ensurer.reset-size6.size7 { font-size: 1.2em; }
.katex .sizing.reset-size6.size8, .katex .fontsize-ensurer.reset-size6.size8 { font-size: 1.44em; }
.katex .sizing.reset-size6.size9, .katex .fontsize-ensurer.reset-size6.size9 { font-size: 1.728em; }
.katex .sizing.reset-size6.size10, .katex .fontsize-ensurer.reset-size6.size10 { font-size: 2.074em; }
.katex .sizing.reset-size6.size11, .katex .fontsize-ensurer.reset-size6.size11 { font-size: 2.488em; }
.katex .sizing.reset-size7.size1, .katex .fontsize-ensurer.reset-size7.size1 { font-size: 0.416667em; }
.katex .sizing.reset-size7.size2, .katex .fontsize-ensurer.reset-size7.size2 { font-size: 0.5em; }
.katex .sizing.reset-size7.size3, .katex .fontsize-ensurer.reset-size7.size3 { font-size: 0.583333em; }
.katex .sizing.reset-size7.size4, .katex .fontsize-ensurer.reset-size7.size4 { font-size: 0.666667em; }
.katex .sizing.reset-size7.size5, .katex .fontsize-ensurer.reset-size7.size5 { font-size: 0.75em; }
.katex .sizing.reset-size7.size6, .katex .fontsize-ensurer.reset-size7.size6 { font-size: 0.833333em; }
.katex .sizing.reset-size7.size7, .katex .fontsize-ensurer.reset-size7.size7 { font-size: 1em; }
.katex .sizing.reset-size7.size8, .katex .fontsize-ensurer.reset-size7.size8 { font-size: 1.2em; }
.katex .sizing.reset-size7.size9, .katex .fontsize-ensurer.reset-size7.size9 { font-size: 1.44em; }
.katex .sizing.reset-size7.size10, .katex .fontsize-ensurer.reset-size7.size10 { font-size: 1.72833em; }
.katex .sizing.reset-size7.size11, .katex .fontsize-ensurer.reset-size7.size11 { font-size: 2.07333em; }
.katex .sizing.reset-size8.size1, .katex .fontsize-ensurer.reset-size8.size1 { font-size: 0.347222em; }
.katex .sizing.reset-size8.size2, .katex .fontsize-ensurer.reset-size8.size2 { font-size: 0.416667em; }
.katex .sizing.reset-size8.size3, .katex .fontsize-ensurer.reset-size8.size3 { font-size: 0.486111em; }
.katex .sizing.reset-size8.size4, .katex .fontsize-ensurer.reset-size8.size4 { font-size: 0.555556em; }
.katex .sizing.reset-size8.size5, .katex .fontsize-ensurer.reset-size8.size5 { font-size: 0.625em; }
.katex .sizing.reset-size8.size6, .katex .fontsize-ensurer.reset-size8.size6 { font-size: 0.694444em; }
.katex .sizing.reset-size8.size7, .katex .fontsize-ensurer.reset-size8.size7 { font-size: 0.833333em; }
.katex .sizing.reset-size8.size8, .katex .fontsize-ensurer.reset-size8.size8 { font-size: 1em; }
.katex .sizing.reset-size8.size9, .katex .fontsize-ensurer.reset-size8.size9 { font-size: 1.2em; }
.katex .sizing.reset-size8.size10, .katex .fontsize-ensurer.reset-size8.size10 { font-size: 1.44028em; }
.katex .sizing.reset-size8.size11, .katex .fontsize-ensurer.reset-size8.size11 { font-size: 1.72778em; }
.katex .sizing.reset-size9.size1, .katex .fontsize-ensurer.reset-size9.size1 { font-size: 0.289352em; }
.katex .sizing.reset-size9.size2, .katex .fontsize-ensurer.reset-size9.size2 { font-size: 0.347222em; }
.katex .sizing.reset-size9.size3, .katex .fontsize-ensurer.reset-size9.size3 { font-size: 0.405093em; }
.katex .sizing.reset-size9.size4, .katex .fontsize-ensurer.reset-size9.size4 { font-size: 0.462963em; }
.katex .sizing.reset-size9.size5, .katex .fontsize-ensurer.reset-size9.size5 { font-size: 0.520833em; }
.katex .sizing.reset-size9.size6, .katex .fontsize-ensurer.reset-size9.size6 { font-size: 0.578704em; }
.katex .sizing.reset-size9.size7, .katex .fontsize-ensurer.reset-size9.size7 { font-size: 0.694444em; }
.katex .sizing.reset-size9.size8, .katex .fontsize-ensurer.reset-size9.size8 { font-size: 0.833333em; }
.katex .sizing.reset-size9.size9, .katex .fontsize-ensurer.reset-size9.size9 { font-size: 1em; }
.katex .sizing.reset-size9.size10, .katex .fontsize-ensurer.reset-size9.size10 { font-size: 1.20023em; }
.katex .sizing.reset-size9.size11, .katex .fontsize-ensurer.reset-size9.size11 { font-size: 1.43981em; }
.katex .sizing.reset-size10.size1, .katex .fontsize-ensurer.reset-size10.size1 { font-size: 0.24108em; }
.katex .sizing.reset-size10.size2, .katex .fontsize-ensurer.reset-size10.size2 { font-size: 0.289296em; }
.katex .sizing.reset-size10.size3, .katex .fontsize-ensurer.reset-size10.size3 { font-size: 0.337512em; }
.katex .sizing.reset-size10.size4, .katex .fontsize-ensurer.reset-size10.size4 { font-size: 0.385728em; }
.katex .sizing.reset-size10.size5, .katex .fontsize-ensurer.reset-size10.size5 { font-size: 0.433944em; }
.katex .sizing.reset-size10.size6, .katex .fontsize-ensurer.reset-size10.size6 { font-size: 0.48216em; }
.katex .sizing.reset-size10.size7, .katex .fontsize-ensurer.reset-size10.size7 { font-size: 0.578592em; }
.katex .sizing.reset-size10.size8, .katex .fontsize-ensurer.reset-size10.size8 { font-size: 0.694311em; }
.katex .sizing.reset-size10.size9, .katex .fontsize-ensurer.reset-size10.size9 { font-size: 0.833173em; }
.katex .sizing.reset-size10.size10, .katex .fontsize-ensurer.reset-size10.size10 { font-size: 1em; }
.katex .sizing.reset-size10.size11, .katex .fontsize-ensurer.reset-size10.size11 { font-size: 1.19961em; }
.katex .sizing.reset-size11.size1, .katex .fontsize-ensurer.reset-size11.size1 { font-size: 0.200965em; }
.katex .sizing.reset-size11.size2, .katex .fontsize-ensurer.reset-size11.size2 { font-size: 0.241158em; }
.katex .sizing.reset-size11.size3, .katex .fontsize-ensurer.reset-size11.size3 { font-size: 0.28135em; }
.katex .sizing.reset-size11.size4, .katex .fontsize-ensurer.reset-size11.size4 { font-size: 0.321543em; }
.katex .sizing.reset-size11.size5, .katex .fontsize-ensurer.reset-size11.size5 { font-size: 0.361736em; }
.katex .sizing.reset-size11.size6, .katex .fontsize-ensurer.reset-size11.size6 { font-size: 0.401929em; }
.katex .sizing.reset-size11.size7, .katex .fontsize-ensurer.reset-size11.size7 { font-size: 0.482315em; }
.katex .sizing.reset-size11.size8, .katex .fontsize-ensurer.reset-size11.size8 { font-size: 0.578778em; }
.katex .sizing.reset-size11.size9, .katex .fontsize-ensurer.reset-size11.size9 { font-size: 0.694534em; }
.katex .sizing.reset-size11.size10, .katex .fontsize-ensurer.reset-size11.size10 { font-size: 0.833601em; }
.katex .sizing.reset-size11.size11, .katex .fontsize-ensurer.reset-size11.size11 { font-size: 1em; }
.katex .delimsizing.size1 { font-family: KaTeX_Size1; }
.katex .delimsizing.size2 { font-family: KaTeX_Size2; }
.katex .delimsizing.size3 { font-family: KaTeX_Size3; }
.katex .delimsizing.size4 { font-family: KaTeX_Size4; }
.katex .delimsizing.mult .delim-size1 > span { font-family: KaTeX_Size1; }
.katex .delimsizing.mult .delim-size4 > span { font-family: KaTeX_Size4; }
.katex .nulldelimiter { display: inline-block; width: 0.12em; }
.katex .delimcenter { position: relative; }
.katex .op-symbol { position: relative; }
.katex .op-symbol.small-op { font-family: KaTeX_Size1; }
.katex .op-symbol.large-op { font-family: KaTeX_Size2; }
.katex .op-limits > .vlist-t { text-align: center; }
.katex .accent > .vlist-t { text-align: center; }
.katex .accent .accent-body:not(.accent-full) { width: 0px; }
.katex .accent .accent-body { position: relative; }
.katex .overlay { display: block; }
.katex .mtable .vertical-separator { display: inline-block; margin: 0px -0.025em; border-right: 0.05em solid; }
.katex .mtable .vs-dashed { border-right: 0.05em dashed; }
.katex .mtable .arraycolsep { display: inline-block; }
.katex .mtable .col-align-c > .vlist-t { text-align: center; }
.katex .mtable .col-align-l > .vlist-t { text-align: left; }
.katex .mtable .col-align-r > .vlist-t { text-align: right; }
.katex .svg-align { text-align: left; }
.katex svg, .screenShotTempCanvas { display: block; position: absolute; width: 100%; height: inherit; fill: currentcolor; stroke: currentcolor; fill-rule: nonzero; fill-opacity: 1; stroke-width: 1; stroke-linecap: butt; stroke-linejoin: miter; stroke-miterlimit: 4; stroke-dasharray: none; stroke-dashoffset: 0; stroke-opacity: 1; }
.katex svg path { stroke: none; }
.katex .stretchy { width: 100%; display: block; position: relative; overflow: hidden; }
.katex .stretchy::before, .katex .stretchy::after { content: ""; }
.katex .hide-tail { width: 100%; position: relative; overflow: hidden; }
.katex .halfarrow-left { position: absolute; left: 0px; width: 50.2%; overflow: hidden; }
.katex .halfarrow-right { position: absolute; right: 0px; width: 50.2%; overflow: hidden; }
.katex .brace-left { position: absolute; left: 0px; width: 25.1%; overflow: hidden; }
.katex .brace-center { position: absolute; left: 25%; width: 50%; overflow: hidden; }
.katex .brace-right { position: absolute; right: 0px; width: 25.1%; overflow: hidden; }
.katex .x-arrow-pad { padding: 0px 0.5em; }
.katex .x-arrow, .katex .mover, .katex .munder { text-align: center; }
.katex .boxpad { padding: 0px 0.3em; }
.katex .fbox { box-sizing: border-box; border: 0.04em solid black; }
.katex .fcolorbox { box-sizing: border-box; border: 0.04em solid; }
.katex .cancel-pad { padding: 0px 0.2em; }
.katex .cancel-lap { margin-left: -0.2em; margin-right: -0.2em; }
.katex .sout { border-bottom-style: solid; border-bottom-width: 0.08em; }
.output_wrapper pre code { display: -webkit-box !important; }
.output_wrapper .hljs{color: rgb(169, 183, 198); background: rgb(40, 43, 46); display: block; overflow-x: auto; padding: 0.5em;}

.output_wrapper .hljs-params{color: rgb(255, 152, 35);}

.output_wrapper .hljs-number,.output_wrapper .hljs-literal,.output_wrapper .hljs-symbol,.output_wrapper .hljs-bullet{color: rgb(174, 135, 250);}

.output_wrapper .hljs-function,.output_wrapper .hljs-built_in,.output_wrapper .hljs-name,.output_wrapper .hljs-keyword,.output_wrapper .hljs-selector-tag,.output_wrapper .hljs-deletion{color: rgb(248, 35, 117);}

.output_wrapper .hljs-variable,.output_wrapper .hljs-template-variable,.output_wrapper .hljs-link{color: rgb(98, 151, 85);}

.output_wrapper .hljs-comment,.output_wrapper .hljs-quote{color: rgb(128, 128, 128);}

.output_wrapper .hljs-meta{color: rgb(91, 218, 237);}

.output_wrapper .hljs-string,.output_wrapper .hljs-attribute,.output_wrapper .hljs-addition{color: rgb(238, 220, 112);}

.output_wrapper .hljs-attr,.output_wrapper .hljs-section,.output_wrapper .hljs-title,.output_wrapper .hljs-type{color: rgb(165, 218, 45);}

.output_wrapper .hljs-selector-class{color: rgb(165, 218, 45);}

.output_wrapper .hljs-emphasis{font-style: italic;}

.output_wrapper .hljs-strong{font-weight: bold;}

.output_wrapper pre code {line-height: 18px; font-size: 14px; font-weight: normal; word-spacing: 0px; letter-spacing: 0px;}
.output_wrapper{font-size: 16px; color: rgb(62, 62, 62); line-height: 1.6; font-family: "Helvetica Neue", Helvetica, "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;}

.output_wrapper *{font-size: inherit; color: inherit; line-height: inherit; margin: 0px; padding: 0px;}

.output_wrapper p{margin: 1.5em 0px;}

.output_wrapper h1,.output_wrapper h2,.output_wrapper h3,.output_wrapper h4,.output_wrapper h5,.output_wrapper h6{margin: 1.5em 0px; font-weight: bold;}

.output_wrapper h1{font-size: 1.6em;}

.output_wrapper h2{font-size: 1.4em;}

.output_wrapper h3{font-size: 1.3em;}

.output_wrapper h4{font-size: 1.2em;}

.output_wrapper h5{font-size: 1em;}

.output_wrapper h6{font-size: 1em;}

.output_wrapper h3{margin-bottom: 2em; margin-right: 5px; padding: 8px 15px; letter-spacing: 2px; background-image: linear-gradient(to right bottom, rgb(0, 100, 180), rgb(63, 80, 150)); background-color: rgb(63, 81, 181); color: rgb(255, 255, 255); border-left: 10px solid rgb(180, 180, 180); border-radius: 5px; text-shadow: rgb(102, 102, 102) 1px 1px 1px; box-shadow: rgb(102, 102, 102) 1px 1px 2px;}

.output_wrapper ul,.output_wrapper ol{padding-left: 32px;}

.output_wrapper ul{list-style-type: disc;}

.output_wrapper ol{list-style-type: decimal;}

.output_wrapper li *{}

.output_wrapper li{margin-bottom: 0.5em;}

.output_wrapper .code_size_default{line-height: 18px; font-size: 14px; font-weight: normal; word-spacing: 0px; letter-spacing: 0px;}

.output_wrapper .code_size_tight{line-height: 15px; font-size: 11px; font-weight: normal; word-spacing: -3px; letter-spacing: 0px;}

.output_wrapper pre code{font-family: Consolas, Inconsolata, Courier, monospace;}

.output_wrapper blockquote{display: block; padding: 15px 15px 15px 1rem; font-size: 0.9em; margin: 1em 0px; color: rgb(129, 145, 152); border-left: 6px solid rgb(220, 230, 240); background: rgb(242, 247, 251); overflow: auto; word-wrap: normal; word-break: normal;}

.output_wrapper blockquote p{margin: 0px;}

.output_wrapper a{text-decoration: none; color: rgb(30, 107, 184); word-wrap: break-word;}

.output_wrapper strong{font-weight: bold;}

.output_wrapper em{font-style: italic;}

.output_wrapper del{font-style: italic;}

.output_wrapper strong em{font-weight: bold;}

.output_wrapper hr{height: 1px; margin: 1.5rem 0px; border-right: none; border-bottom: none; border-left: none; border-image: initial; border-top: 1px dashed rgb(165, 165, 165);}

.output_wrapper p code{word-wrap: break-word; padding: 2px 4px; border-radius: 4px; margin: 0px 2px; color: rgb(233, 105, 0); background: rgb(248, 248, 248);}

.output_wrapper img{display: block; margin: 0px auto; max-width: 100%;}

.output_wrapper table{display: table; width: 100%; text-align: left;}

.output_wrapper tbody{border: 0px;}

.output_wrapper table tr{border-width: 1px 0px 0px; border-right-style: initial; border-bottom-style: initial; border-left-style: initial; border-right-color: initial; border-bottom-color: initial; border-left-color: initial; border-image: initial; border-top-style: solid; border-top-color: rgb(204, 204, 204); background-color: white;}

.output_wrapper table tr th,.output_wrapper table tr td{font-size: 1em; border: 1px solid rgb(204, 204, 204); padding: 0.5em 1em; text-align: left;}

.output_wrapper table tr th{font-weight: bold; background-color: rgb(240, 240, 240);}
-->

antD中提供了是日期范围选择器及datepaicker封装日期范围选择器的示例,但是没有时间选择范围的组件,这里使用两个timePicker组合一个事件范围选择器,通过disabled属性限定时间可选择范围;(ts+hook,支持form表单)

  基本就是通过disabledHours、 disabledMinutes、disabledSeconds分别判断结束时间大于开始时间,这里设置的最小时间差为0s。

import React, { forwardRef } from 'react';
import { Row, Col, TimePicker } from 'antd';
import moment from 'moment';
import { TimePickerProps } from 'antd/es/time-picker'; interface IProps extends TimePickerProps {
  prefixCls?: string;
  value?: any;
  onChange?: any;
} const TimePickerRange: React.FC<IProps> = (props, ref) => {
  const {
    prefixCls,
    className,
    style,
    onChange,
    value,
    disabled,
    ...rest
  } = props;   const [startTime, setStartTime] = React.useState(value.start || moment());
  const [endTime, setEndTime] = React.useState(value.end || moment());   /*定义时间数组*/
  const Hours = Array.from(Array(24), (v, k) => k);
  const Minutes = Array.from(Array(60), (v, k) => k);
  const Seconds = Array.from(Array(60), (v, k) => k);   const triggerChange = changedValue => {
    if (onChange) {
      onChange(
        Object.assign({}, { start: startTime, end: endTime }, changedValue)
      );
    }
  };    /*结束时间控制-hour*/
  const disEndHouse = () => {
    if (startTime) {
      let h = startTime.hour();
      return Hours.slice(0, h);
    }
    return [];
  };   /*结束时间控制-minute)*/
  const disEndMinute = h => {
    if (startTime) {
      if (h > startTime.hour()) return [];
      let m = startTime.minute();
      return Minutes.slice(0, m);
    }
    return [];
  };   /*结束时间控制-second*/
  const disEndSeconds = (h, m) => {
    if (startTime) {
      if (h > startTime.hour()) return [];
      if (m > startTime.minute()) return [];
      let s = startTime.second();
      return Seconds.slice(0, s);
    }
    return [];
  };   /*开始时间控制-hour*/
  const disStartHouse = () => {
    if (endTime) {
      let h = endTime.hour();
      return Hours.slice(h, Hours.length - 1);
    }
    return [];
  };   /*开始时间控制-minute*/
  const disStartMinute = h => {
    if (endTime) {
      if (h < endTime.hour()) return [];
      let m = endTime.minute();
      return Minutes.slice(m, Minutes.length - 1);
    }
    return [];
  };   /*开始时间控制-second*/
  const disStartSeconds = (h, m) => {
    if (endTime) {
      if (h < endTime.hour()) return [];
      if (m < endTime.minute()) return [];
      let s = endTime.second();
      return Seconds.slice(s, Seconds.length - 1);
    }
    return [];
  };   return (
    <Row ref={ref}>
      <Col span={12}>
        <TimePicker
          allowClear={false}
          disabled={disabled}
          onChange={value => {
            setStartTime(value);
            triggerChange({ start: value });
          }}
          value={value.start || moment('00:00:00', 'HH:mm:ss')}
          disabledHours={disStartHouse}
          disabledMinutes={disStartMinute}
          disabledSeconds={disStartSeconds}
        />
      </Col>
      <Col span={12}>
        <TimePicker
          allowClear={false}
          disabled={disabled}
          onChange={value => {
            setEndTime(value);
            triggerChange({ end: value });
          }}
          value={value.end || moment('23:59:59', 'HH:mm:ss')}
          disabledHours={disEndHouse}
          disabledMinutes={disEndMinute}
          disabledSeconds={disEndSeconds}
        />
      </Col>
    </Row>
  );
}; export default forwardRef(TimePickerRange);

AntD使用timePiacker封装时间范围选择器(React hook版)的更多相关文章

  1. Antd使用timePicker封装时间范围选择器(React hook版)

    antd中提供了是日期范围选择器及datepaicker封装日期范围选择器的示例,但是没有时间选择范围的组件,这里使用两个timePicker组合一个事件范围选择器,通过disabled属性限定时间可 ...

  2. 使用React Hook后的一些体会

    一.前言 距离React Hook发布已经有一段时间了,笔者在之前也一直在等待机会来尝试一下Hook,这个尝试不是像文档中介绍的可以先在已有项目中的小组件和新组件上尝试,而是尝试用Hook的方式构建整 ...

  3. React Hook:使用 useEffect

    React Hook:使用 useEffect 一.描述 二.需要清理的副作用 1.在 class 组件中 2.使用 effect Hook 的示例 1.useEffect 做了什么? 2.为什么在组 ...

  4. React Hook 入门使用

    React Hook 是什么 1.没有比官网说的更好的 HOOK 1. React Hook 官方 2. 用我们自己的话说,它是一个钩子函数,用来处理组件间的状态的一个方法,暂时理解为一个高阶函数吧. ...

  5. [React] Detect user activity with a custom useIdle React Hook

    If the user hasn't used your application for a few minutes, you may want to log them out of the appl ...

  6. React Hook 学习

    1.官方文档 https://react.docschina.org/docs/hooks-intro.html 2.阮一峰 reactHook http://www.ruanyifeng.com/b ...

  7. GraphQL + React Apollo + React Hook + Express + Mongodb 大型前后端分离项目实战之后端(19 个视频)

    GraphQL + React Apollo + React Hook + Express + Mongodb 大型前后端分离项目实战之后端(19 个视频) GraphQL + React Apoll ...

  8. GraphQL + React Apollo + React Hook 大型项目实战(32 个视频)

    GraphQL + React Apollo + React Hook 大型项目实战(32 个视频) GraphQL + React Apollo + React Hook 大型项目实战 #1 介绍「 ...

  9. React Hook上车

    React Hook 是 v16.8 的新功能,自诞生以来,受到广泛的好评,在 React 版本更新中具有里程碑的意义.现在都2020年了,再不上车 React Hook 就真的 out 了... H ...

随机推荐

  1. android:layout_gravity和android:gravity属性差异

    gravity的中文意思就是"重心",就是表示view横向和纵向的停靠位置 android:gravity:是对view控件本身来说的,是用来设置view本身的文本应该显示在vie ...

  2. angular.js分页代码的实例

    对于大多数web应用来说显示项目列表是一种很常见的任务.通常情况下,我们的数据会比较多,无法很好地显示在单个页面中.在这种情况下,我们需要把数据以页的方式来展示,同时带有转到上一页和下一页的功能.现在 ...

  3. 新秀翻译(一个)——Java在继承和组合

    阅读英文的程序猿的能力,这是非常重要的.过去的几年中一直在学习英语,今天心血来潮,在网上找什么鲍文简要翻译. 普通级,能力有限,看官还请大家多多指点. 译文: 本文将会举例说明Java中继承和组合的概 ...

  4. WPF HeaderedContentControl两个内容属性 Header和Content

    <Window x:Class="XamlTest.Window2"        xmlns="http://schemas.microsoft.com/winf ...

  5. 扩展ASCII码,不同的国家有不同的字符集。Unicode转换为utf8的规则,utf8没有大小端的问题。超过0xFFFF的Unicode字符WINAPI也无能为力(附各种字符编码表及转换表)good

    一.概念 1,ASCII             ASCII(American Standard Code for Information Interchange),中文名称为美国信息交换标准代码.是 ...

  6. Keil5生成bin文件

    进入“Options for Target”设置界面如下: 如图所示方框中输入: fromelf.exe --bin -o "$L@L.bin" "#L" 生成 ...

  7. 简单实用SQL脚本Part:查找SQL Server 自增ID值不连续记录

    原文:简单实用SQL脚本Part:查找SQL Server 自增ID值不连续记录 在很多的时候,我们会在数据库的表中设置一个字段:ID,这个ID是一个IDENTITY,也就是说这是一个自增ID.当并发 ...

  8. 16.09 working note

    这个月最主要任务是linux shell script学习. 其次是继续spring源码学习. 其余时间C.C++和Java学习. 01 9月第一天,9点多才到家.做道简单的oj题练习下.因为简单,所 ...

  9. Android Studio 添加 Genymotion插件

    原文:Android Studio 添加 Genymotion插件 1.下载Genymotion:官网地址,必须先注册才能下载,下载带有VirtualBox的版本 2.安装:安装时会连VirtualB ...

  10. Flot Reference flot参考文档

    Consider a call to the plot function:下面是对绘图函数plot的调用: var plot = $.plot(placeholder, data, options) ...