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使用代码显示什么我必须做些什么来解决以下问题：谷歌图表如何始终显示工具提示
- 我需要在酒吧的上方显示的列值（总是）没有点击它。
- 我需要分配一个颜色的每个条
- 我需要显示在X和Y标签
- 我需要显示最低限度的值= 0和maximun值至5，实际上该图形示出了从4.3至5.0
任何想法？先谢谢你。
<html>
<head>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
//load the Google Visualization API and the chart
google.load('visualization', '1', {'packages':['columnchart']});
//set callback
google.setOnLoadCallback (createChart);
//callback function
function createChart() {
var data = new google.visualization.DataTable(
{
"cols": [
{"id":"","label":"Topping","pattern":"","type":"string"},
{"id":"","label":"Promedio","pattern":"","type":"number"}
],
"rows": [
{"c":[{"v":"1", "f":null},{"v":4.31,"f":null}]},
{"c":[{"v":"2", "f":null},{"v":4.84,"f":null}]},
{"c":[{"v":"3", "f":null},{"v":4.77,"f":null}]},
{"c":[{"v":"4", "f":null},{"v":4.80,"f":null}]},
{"c":[{"v":"5", "f":null},{"v":4.78,"f":null}]},
{"c":[{"v":"6", "f":null},{"v":4.80,"f":null}]},
{"c":[{"v":"7", "f":null},{"v":4.79,"f":null}]},
{"c":[{"v":"8", "f":null},{"v":4.83,"f":null}]},
{"c":[{"v":"9", "f":null},{"v":4.77,"f":null}]},
{"c":[{"v":"10","f":null},{"v":4.85,"f":null}]},
{"c":[{"v":"11","f":null},{"v":4.52,"f":null}]}
]
}
)
//instantiate our chart objects
var chart = new google.visualization.ColumnChart (document.getElementById('chart_div'));
//define options for visualization
var options = {
width: 800,
height: 300,
is3D: true,
legend: 'none',
axisTitlesPosition: 'in',
title: 'My Graphic',
hAxis: {
title: 'hAxis Title',
titleTextStyle: {color: 'red'},
textPosition: 'out'
},
vAxis: {
viewWindowMode: 'explicit',
viewWindow: {
max: 5.0,
min: 0.0
},
minValue: 0.0,
maxValue: 5.0,
textPosition: 'out'
}
};
//draw my chart
chart.draw(data, options);
}
</script>
</head>
<body>
<div id="chart_div" style="width: 900px; height: 700px;"></div>
</body>
</html>
