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feat: Settled for remain 0 #10

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merged 2 commits into from Jan 28, 2019
Merged

feat: Settled for remain 0 #10

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d098fd3
feat: solution remain 0
Jan 28, 2019
0053f55
fix: component name
Jan 28, 2019
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14 changes: 7 additions & 7 deletions src/Contents/Account.js
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@@ -1,16 +1,16 @@
import React, { Fragment, Component } from "react"; import React, { Fragment, Component } from "react";


class Account extends Component { class Account extends Component {
state = { sum: 0 }; state = { sum: 0, input: 0 };
input = event => { input = event => {
this.setState({ input: event.target.value }); this.setState({ input: Number(event.target.value) });
console.log(this.state.input); console.log(this.state.input);
}; };
Plus = () => { Plus = () => {
this.setState({ sum: this.state.sum + this.state.input }); this.setState(prevState => ({ sum: this.state.sum + this.state.input }));
}; };
Main = () => { Minus = () => {
this.setState({ sum: this.state.sum - this.state.input }); this.setState(prevState => ({ sum: this.state.sum - this.state.input }));
}; };
render() { render() {
return ( return (
Expand All @@ -20,10 +20,10 @@ class Account extends Component {
現在:  現在: 
{this.state.sum} {this.state.sum}
</h3> </h3>
<input onChange={this.input} /> <input value={this.state.input} onChange={this.input} />
<br /> <br />
<button onClick={this.Plus}>収入</button> <button onClick={this.Plus}>収入</button>
<button onClick={this.Main}>支出</button> <button onClick={this.Minus}>支出</button>
</Fragment> </Fragment>
); );
} }
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14 changes: 7 additions & 7 deletions src/Contents/Cache.js
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Open in desktop
@@ -1,16 +1,16 @@
import React, { Fragment, Component } from "react"; import React, { Fragment, Component } from "react";


class Cache extends Component { class Cache extends Component {
state = { sum: 0 }; state = { sum: 0, input: 0 };
input = event => { input = event => {
this.setState({ input: event.target.value }); this.setState({ input: Number(event.target.value) });
console.log(this.state.input); console.log(this.state.input);
}; };
Plus = () => { Plus = () => {
this.setState({ sum: this.state.sum + this.state.input }); this.setState(prevState => ({ sum: this.state.sum + this.state.input }));
}; };
Main = () => { Minus = () => {
this.setState({ sum: this.state.sum - this.state.input }); this.setState(prevState => ({ sum: this.state.sum - this.state.input }));
}; };
render() { render() {
return ( return (
Expand All @@ -20,10 +20,10 @@ class Cache extends Component {
現在:&nbsp; 現在:&nbsp;
{this.state.sum} {this.state.sum}
</h3> </h3>
<input onChange={this.input} /> <input value={this.state.input} onChange={this.input} />
<br /> <br />
<button onClick={this.Plus}>収入</button> <button onClick={this.Plus}>収入</button>
<button onClick={this.Main}>支出</button> <button onClick={this.Minus}>支出</button>
</Fragment> </Fragment>
); );
} }
Expand Down
14 changes: 7 additions & 7 deletions src/Contents/Card.js
View file
Open in desktop
@@ -1,16 +1,16 @@
import React, { Fragment, Component } from "react"; import React, { Fragment, Component } from "react";


class Card extends Component { class Card extends Component {
state = { sum: 0 }; state = { sum: 0, input: 0 };
input = event => { input = event => {
this.setState({ input: event.target.value }); this.setState({ input: Number(event.target.value) });
console.log(this.state.input); console.log(this.state.input);
}; };
Plus = () => { Plus = () => {
this.setState({ sum: this.state.sum + this.state.input }); this.setState(prevState => ({ sum: this.state.sum + this.state.input }));
}; };
Main = () => { Minus = () => {
this.setState({ sum: this.state.sum - this.state.input }); this.setState(prevState => ({ sum: this.state.sum - this.state.input }));
}; };
render() { render() {
return ( return (
Expand All @@ -20,10 +20,10 @@ class Card extends Component {
現在:&nbsp; 現在:&nbsp;
{this.state.sum} {this.state.sum}
</h3> </h3>
<input onChange={this.input} /> <input value={this.state.input} onChange={this.input} />
<br /> <br />
<button onClick={this.Plus}>収入</button> <button onClick={this.Plus}>収入</button>
<button onClick={this.Main}>支出</button> <button onClick={this.Minus}>支出</button>
</Fragment> </Fragment>
); );
} }
Expand Down